<?xml version="1.0" encoding="us-ascii"?>
<!--Generated by Disclosure Solutions PROFILE 1.1.1.0 Copyright 1995 - 2012 Thomson Reuters Accelus. All rights reserved.-->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" />
  <link:roleRef roleURI="http://deltagas.com/role/TwoforoneStockSplitDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#TwoforoneStockSplitDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/SharebasedCompensationDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#SharebasedCompensationDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/LossPerCommonShareDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#LossPerCommonShareDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/OperatingSegmentsDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#OperatingSegmentsDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/CommitmentsAndContingenciesDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#CommitmentsAndContingenciesDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/DebtInstrumentDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#DebtInstrumentDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/DefinedBenefitRetirementPlanDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#DefinedBenefitRetirementPlanDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/UnbilledRevenueDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#UnbilledRevenueDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/RiskManagementAndDerivativeInstrumentsDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#RiskManagementAndDerivativeInstrumentsDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#FairValueMeasurementsDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/NatureOfOperationsAndBasisOfPresentationDetails" xlink:type="simple" xlink:href="dgas-20120930.xsd#NatureOfOperationsAndBasisOfPresentationDetails" />
  <link:roleRef roleURI="http://deltagas.com/role/SharebasedCompensationTables" xlink:type="simple" xlink:href="dgas-20120930.xsd#SharebasedCompensationTables" />
  <link:roleRef roleURI="http://deltagas.com/role/OperatingSegmentsTables" xlink:type="simple" xlink:href="dgas-20120930.xsd#OperatingSegmentsTables" />
  <link:roleRef roleURI="http://deltagas.com/role/DebtInstrumentTables" xlink:type="simple" xlink:href="dgas-20120930.xsd#DebtInstrumentTables" />
  <link:roleRef roleURI="http://deltagas.com/role/DefinedBenefitRetirementPlanTables" xlink:type="simple" xlink:href="dgas-20120930.xsd#DefinedBenefitRetirementPlanTables" />
  <link:roleRef roleURI="http://deltagas.com/role/UnbilledRevenueTables" xlink:type="simple" xlink:href="dgas-20120930.xsd#UnbilledRevenueTables" />
  <link:roleRef roleURI="http://deltagas.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="dgas-20120930.xsd#FairValueMeasurementsTables" />
  <link:roleRef roleURI="http://deltagas.com/role/TwoforoneStockSplit" xlink:type="simple" xlink:href="dgas-20120930.xsd#TwoforoneStockSplit" />
  <link:roleRef roleURI="http://deltagas.com/role/SharebasedCompensation" xlink:type="simple" xlink:href="dgas-20120930.xsd#SharebasedCompensation" />
  <link:roleRef roleURI="http://deltagas.com/role/LossPerCommonShare" xlink:type="simple" xlink:href="dgas-20120930.xsd#LossPerCommonShare" />
  <link:roleRef roleURI="http://deltagas.com/role/OperatingSegments" xlink:type="simple" xlink:href="dgas-20120930.xsd#OperatingSegments" />
  <link:roleRef roleURI="http://deltagas.com/role/RegulatoryMatters" xlink:type="simple" xlink:href="dgas-20120930.xsd#RegulatoryMatters" />
  <link:roleRef roleURI="http://deltagas.com/role/CommitmentsAndContingencies" xlink:type="simple" xlink:href="dgas-20120930.xsd#CommitmentsAndContingencies" />
  <link:roleRef roleURI="http://deltagas.com/role/DebtInstrument" xlink:type="simple" xlink:href="dgas-20120930.xsd#DebtInstrument" />
  <link:roleRef roleURI="http://deltagas.com/role/DefinedBenefitRetirementPlan" xlink:type="simple" xlink:href="dgas-20120930.xsd#DefinedBenefitRetirementPlan" />
  <link:roleRef roleURI="http://deltagas.com/role/UnbilledRevenue" xlink:type="simple" xlink:href="dgas-20120930.xsd#UnbilledRevenue" />
  <link:roleRef roleURI="http://deltagas.com/role/RiskManagementAndDerivativeInstruments" xlink:type="simple" xlink:href="dgas-20120930.xsd#RiskManagementAndDerivativeInstruments" />
  <link:roleRef roleURI="http://deltagas.com/role/FairValueMeasurements" xlink:type="simple" xlink:href="dgas-20120930.xsd#FairValueMeasurements" />
  <link:roleRef roleURI="http://deltagas.com/role/NatureOfOperationsAndBasisOfPresentation" xlink:type="simple" xlink:href="dgas-20120930.xsd#NatureOfOperationsAndBasisOfPresentation" />
  <link:roleRef roleURI="http://deltagas.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="simple" xlink:href="dgas-20120930.xsd#ConsolidatedStatementsOfCashFlows" />
  <link:roleRef roleURI="http://deltagas.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" xlink:type="simple" xlink:href="dgas-20120930.xsd#ConsolidatedStatementsOfChangesInShareholdersEquity" />
  <link:roleRef roleURI="http://deltagas.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="dgas-20120930.xsd#ConsolidatedBalanceSheetsParenthetical" />
  <link:roleRef roleURI="http://deltagas.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="dgas-20120930.xsd#ConsolidatedBalanceSheets" />
  <link:roleRef roleURI="http://deltagas.com/role/ConsolidatedStatementsOfIncome" xlink:type="simple" xlink:href="dgas-20120930.xsd#ConsolidatedStatementsOfIncome" />
  <link:roleRef roleURI="http://deltagas.com/role/DocumentAndEntityInformation" xlink:type="simple" xlink:href="dgas-20120930.xsd#DocumentAndEntityInformation" />
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/DocumentAndEntityInformation">
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_DocumentAndEntityInformationAbstract" xlink:label="DocumentAndEntityInformationAbstract" xlink:title="DocumentAndEntityInformationAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:label="EntityRegistrantName" xlink:title="EntityRegistrantName" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityRegistrantName" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityRegistrantName" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="EntityCentralIndexKey" xlink:title="EntityCentralIndexKey" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityCentralIndexKey" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityCentralIndexKey" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="CurrentFiscalYearEndDate" xlink:title="CurrentFiscalYearEndDate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="CurrentFiscalYearEndDate" xlink:title="presentation: DocumentAndEntityInformationAbstract to CurrentFiscalYearEndDate" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="EntityWellKnownSeasonedIssuer" xlink:title="EntityWellKnownSeasonedIssuer" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityWellKnownSeasonedIssuer" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityWellKnownSeasonedIssuer" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="EntityVoluntaryFilers" xlink:title="EntityVoluntaryFilers" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityVoluntaryFilers" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityVoluntaryFilers" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="EntityCurrentReportingStatus" xlink:title="EntityCurrentReportingStatus" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityCurrentReportingStatus" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityCurrentReportingStatus" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:label="EntityFilerCategory" xlink:title="EntityFilerCategory" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityFilerCategory" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityFilerCategory" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityPublicFloat" xlink:label="EntityPublicFloat" xlink:title="EntityPublicFloat" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityPublicFloat" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityPublicFloat" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="EntityCommonStockSharesOutstanding" xlink:title="EntityCommonStockSharesOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityCommonStockSharesOutstanding" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityCommonStockSharesOutstanding" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="DocumentFiscalYearFocus" xlink:title="DocumentFiscalYearFocus" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="DocumentFiscalYearFocus" xlink:title="presentation: DocumentAndEntityInformationAbstract to DocumentFiscalYearFocus" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="DocumentFiscalPeriodFocus" xlink:title="DocumentFiscalPeriodFocus" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="DocumentFiscalPeriodFocus" xlink:title="presentation: DocumentAndEntityInformationAbstract to DocumentFiscalPeriodFocus" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:label="DocumentType" xlink:title="DocumentType" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="DocumentType" xlink:title="presentation: DocumentAndEntityInformationAbstract to DocumentType" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:label="AmendmentFlag" xlink:title="AmendmentFlag" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="AmendmentFlag" xlink:title="presentation: DocumentAndEntityInformationAbstract to AmendmentFlag" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="DocumentPeriodEndDate" xlink:title="DocumentPeriodEndDate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="DocumentPeriodEndDate" xlink:title="presentation: DocumentAndEntityInformationAbstract to DocumentPeriodEndDate" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/ConsolidatedStatementsOfIncome">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="IncomeStatementAbstract" xlink:title="IncomeStatementAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenueAbstract" xlink:label="RegulatedAndUnregulatedOperatingRevenueAbstract" xlink:title="RegulatedAndUnregulatedOperatingRevenueAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatedOperatingRevenue" xlink:label="RegulatedOperatingRevenue" xlink:title="RegulatedOperatingRevenue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RegulatedAndUnregulatedOperatingRevenueAbstract" xlink:to="RegulatedOperatingRevenue" xlink:title="presentation: RegulatedAndUnregulatedOperatingRevenueAbstract to RegulatedOperatingRevenue" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnregulatedOperatingRevenue" xlink:label="UnregulatedOperatingRevenue" xlink:title="UnregulatedOperatingRevenue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RegulatedAndUnregulatedOperatingRevenueAbstract" xlink:to="UnregulatedOperatingRevenue" xlink:title="presentation: RegulatedAndUnregulatedOperatingRevenueAbstract to UnregulatedOperatingRevenue" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:label="RegulatedAndUnregulatedOperatingRevenue" xlink:title="RegulatedAndUnregulatedOperatingRevenue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RegulatedAndUnregulatedOperatingRevenueAbstract" xlink:to="RegulatedAndUnregulatedOperatingRevenue" xlink:title="presentation: RegulatedAndUnregulatedOperatingRevenueAbstract to RegulatedAndUnregulatedOperatingRevenue" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="RegulatedAndUnregulatedOperatingRevenueAbstract" xlink:title="presentation: IncomeStatementAbstract to RegulatedAndUnregulatedOperatingRevenueAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="OperatingExpensesAbstract" xlink:title="OperatingExpensesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UtilitiesOperatingExpenseGasAndPetroleumPurchased" xlink:label="UtilitiesOperatingExpenseGasAndPetroleumPurchased" xlink:title="UtilitiesOperatingExpenseGasAndPetroleumPurchased" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="UtilitiesOperatingExpenseGasAndPetroleumPurchased" xlink:title="presentation: OperatingExpensesAbstract to UtilitiesOperatingExpenseGasAndPetroleumPurchased" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_Non-RegulatedPurchaseGas" xlink:label="Non-RegulatedPurchaseGas" xlink:title="Non-RegulatedPurchaseGas" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="Non-RegulatedPurchaseGas" xlink:title="presentation: OperatingExpensesAbstract to Non-RegulatedPurchaseGas" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses" xlink:label="UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses" xlink:title="UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses" xlink:title="presentation: OperatingExpensesAbstract to UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:label="UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:title="UtilitiesOperatingExpenseDepreciationAndAmortization" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:title="presentation: OperatingExpensesAbstract to UtilitiesOperatingExpenseDepreciationAndAmortization" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UtilitiesOperatingExpenseTaxes" xlink:label="UtilitiesOperatingExpenseTaxes" xlink:title="UtilitiesOperatingExpenseTaxes" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="UtilitiesOperatingExpenseTaxes" xlink:title="presentation: OperatingExpensesAbstract to UtilitiesOperatingExpenseTaxes" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UtilitiesOperatingExpense" xlink:label="UtilitiesOperatingExpense" xlink:title="UtilitiesOperatingExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="UtilitiesOperatingExpense" xlink:title="presentation: OperatingExpensesAbstract to UtilitiesOperatingExpense" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="OperatingExpensesAbstract" xlink:title="presentation: IncomeStatementAbstract to OperatingExpensesAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="OperatingIncomeLoss" xlink:title="presentation: IncomeStatementAbstract to OperatingIncomeLoss" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="NonoperatingIncomeExpense" xlink:title="NonoperatingIncomeExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="NonoperatingIncomeExpense" xlink:title="presentation: IncomeStatementAbstract to NonoperatingIncomeExpense" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="InterestExpense" xlink:title="presentation: IncomeStatementAbstract to InterestExpense" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="presentation: IncomeStatementAbstract to IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="IncomeTaxExpenseBenefit" xlink:title="presentation: IncomeStatementAbstract to IncomeTaxExpenseBenefit" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="NetIncomeLoss" xlink:title="presentation: IncomeStatementAbstract to NetIncomeLoss" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" xlink:title="EarningsPerShareAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="EarningsPerShareBasic" xlink:title="EarningsPerShareBasic" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="EarningsPerShareBasic" xlink:title="presentation: EarningsPerShareAbstract to EarningsPerShareBasic" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="EarningsPerShareDiluted" xlink:title="EarningsPerShareDiluted" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="EarningsPerShareDiluted" xlink:title="presentation: EarningsPerShareAbstract to EarningsPerShareDiluted" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="EarningsPerShareAbstract" xlink:title="presentation: IncomeStatementAbstract to EarningsPerShareAbstract" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:label="WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:title="WeightedAverageNumberOfSharesOutstandingBasicAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:to="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="presentation: WeightedAverageNumberOfSharesOutstandingBasicAbstract to WeightedAverageNumberOfSharesOutstandingBasic" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:to="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="presentation: WeightedAverageNumberOfSharesOutstandingBasicAbstract to WeightedAverageNumberOfDilutedSharesOutstanding" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:title="presentation: IncomeStatementAbstract to WeightedAverageNumberOfSharesOutstandingBasicAbstract" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="CommonStockDividendsPerShareDeclared" xlink:title="CommonStockDividendsPerShareDeclared" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="CommonStockDividendsPerShareDeclared" xlink:title="presentation: IncomeStatementAbstract to CommonStockDividendsPerShareDeclared" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/ConsolidatedBalanceSheets">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:title="presentation: AssetsCurrentAbstract to CashAndCashEquivalentsAtCarryingValue" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="AccountsReceivableNetCurrent" xlink:title="presentation: AssetsCurrentAbstract to AccountsReceivableNetCurrent" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EnergyRelatedInventoryNaturalGasInStorage" xlink:label="EnergyRelatedInventoryNaturalGasInStorage" xlink:title="EnergyRelatedInventoryNaturalGasInStorage" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="EnergyRelatedInventoryNaturalGasInStorage" xlink:title="presentation: AssetsCurrentAbstract to EnergyRelatedInventoryNaturalGasInStorage" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredGasCost" xlink:label="DeferredGasCost" xlink:title="DeferredGasCost" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="DeferredGasCost" xlink:title="presentation: AssetsCurrentAbstract to DeferredGasCost" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryRawMaterialsAndSupplies" xlink:label="InventoryRawMaterialsAndSupplies" xlink:title="InventoryRawMaterialsAndSupplies" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="InventoryRawMaterialsAndSupplies" xlink:title="presentation: AssetsCurrentAbstract to InventoryRawMaterialsAndSupplies" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="PrepaidExpenseCurrent" xlink:title="PrepaidExpenseCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="PrepaidExpenseCurrent" xlink:title="presentation: AssetsCurrentAbstract to PrepaidExpenseCurrent" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="AssetsCurrent" xlink:title="presentation: AssetsCurrentAbstract to AssetsCurrent" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="AssetsCurrentAbstract" xlink:title="presentation: AssetsAbstract to AssetsCurrentAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="PropertyPlantAndEquipmentGross" xlink:title="PropertyPlantAndEquipmentGross" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="PropertyPlantAndEquipmentGross" xlink:title="presentation: AssetsAbstract to PropertyPlantAndEquipmentGross" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="presentation: AssetsAbstract to AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="PropertyPlantAndEquipmentNet" xlink:title="presentation: AssetsAbstract to PropertyPlantAndEquipmentNet" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="AssetsNoncurrentAbstract" xlink:title="AssetsNoncurrentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashSurrenderValueOfLifeInsurance" xlink:label="CashSurrenderValueOfLifeInsurance" xlink:title="CashSurrenderValueOfLifeInsurance" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsNoncurrentAbstract" xlink:to="CashSurrenderValueOfLifeInsurance" xlink:title="presentation: AssetsNoncurrentAbstract to CashSurrenderValueOfLifeInsurance" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent" xlink:label="RegulatoryAssetsNoncurrent" xlink:title="RegulatoryAssetsNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsNoncurrentAbstract" xlink:to="RegulatoryAssetsNoncurrent" xlink:title="presentation: AssetsNoncurrentAbstract to RegulatoryAssetsNoncurrent" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="UnamortizedDebtIssuanceExpense" xlink:title="UnamortizedDebtIssuanceExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsNoncurrentAbstract" xlink:to="UnamortizedDebtIssuanceExpense" xlink:title="presentation: AssetsNoncurrentAbstract to UnamortizedDebtIssuanceExpense" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsNoncurrentAbstract" xlink:to="OtherAssetsNoncurrent" xlink:title="presentation: AssetsNoncurrentAbstract to OtherAssetsNoncurrent" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsNoncurrent" xlink:label="AssetsNoncurrent" xlink:title="AssetsNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsNoncurrentAbstract" xlink:to="AssetsNoncurrent" xlink:title="presentation: AssetsNoncurrentAbstract to AssetsNoncurrent" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="AssetsNoncurrentAbstract" xlink:title="presentation: AssetsAbstract to AssetsNoncurrentAbstract" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="Assets" xlink:title="presentation: AssetsAbstract to Assets" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="AssetsAbstract" xlink:title="presentation: StatementOfFinancialPositionAbstract to AssetsAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="AccountsPayableCurrent" xlink:title="AccountsPayableCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="AccountsPayableCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to AccountsPayableCurrent" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="LongTermDebtCurrent" xlink:title="LongTermDebtCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="LongTermDebtCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to LongTermDebtCurrent" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TaxesPayableCurrent" xlink:label="TaxesPayableCurrent" xlink:title="TaxesPayableCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="TaxesPayableCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to TaxesPayableCurrent" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerDepositsCurrent" xlink:label="CustomerDepositsCurrent" xlink:title="CustomerDepositsCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="CustomerDepositsCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to CustomerDepositsCurrent" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="InterestPayableCurrent" xlink:title="InterestPayableCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="InterestPayableCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to InterestPayableCurrent" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedVacationCurrent" xlink:label="AccruedVacationCurrent" xlink:title="AccruedVacationCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="AccruedVacationCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to AccruedVacationCurrent" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="DeferredTaxLiabilitiesCurrent" xlink:title="DeferredTaxLiabilitiesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="DeferredTaxLiabilitiesCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to DeferredTaxLiabilitiesCurrent" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="OtherLiabilitiesCurrent" xlink:title="OtherLiabilitiesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="OtherLiabilitiesCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to OtherLiabilitiesCurrent" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="LiabilitiesCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to LiabilitiesCurrent" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="LiabilitiesCurrentAbstract" xlink:title="presentation: LiabilitiesAndStockholdersEquityAbstract to LiabilitiesCurrentAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="LongTermDebtNoncurrent" xlink:title="LongTermDebtNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="LongTermDebtNoncurrent" xlink:title="presentation: LiabilitiesAndStockholdersEquityAbstract to LongTermDebtNoncurrent" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="LiabilitiesNoncurrentAbstract" xlink:title="LiabilitiesNoncurrentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="DeferredTaxLiabilitiesNoncurrent" xlink:title="DeferredTaxLiabilitiesNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="DeferredTaxLiabilitiesNoncurrent" xlink:title="presentation: LiabilitiesNoncurrentAbstract to DeferredTaxLiabilitiesNoncurrent" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDeferredInvestmentTaxCredit" xlink:label="AccumulatedDeferredInvestmentTaxCredit" xlink:title="AccumulatedDeferredInvestmentTaxCredit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="AccumulatedDeferredInvestmentTaxCredit" xlink:title="presentation: LiabilitiesNoncurrentAbstract to AccumulatedDeferredInvestmentTaxCredit" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatoryLiabilityNoncurrent" xlink:label="RegulatoryLiabilityNoncurrent" xlink:title="RegulatoryLiabilityNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="RegulatoryLiabilityNoncurrent" xlink:title="presentation: LiabilitiesNoncurrentAbstract to RegulatoryLiabilityNoncurrent" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent" xlink:label="DefinedBenefitPensionPlanLiabilitiesNoncurrent" xlink:title="DefinedBenefitPensionPlanLiabilitiesNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="DefinedBenefitPensionPlanLiabilitiesNoncurrent" xlink:title="presentation: LiabilitiesNoncurrentAbstract to DefinedBenefitPensionPlanLiabilitiesNoncurrent" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="AssetRetirementObligationsNoncurrent" xlink:title="AssetRetirementObligationsNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="AssetRetirementObligationsNoncurrent" xlink:title="presentation: LiabilitiesNoncurrentAbstract to AssetRetirementObligationsNoncurrent" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="OtherLiabilitiesNoncurrent" xlink:title="OtherLiabilitiesNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="OtherLiabilitiesNoncurrent" xlink:title="presentation: LiabilitiesNoncurrentAbstract to OtherLiabilitiesNoncurrent" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="LiabilitiesNoncurrent" xlink:title="LiabilitiesNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="LiabilitiesNoncurrent" xlink:title="presentation: LiabilitiesNoncurrentAbstract to LiabilitiesNoncurrent" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="LiabilitiesNoncurrentAbstract" xlink:title="presentation: LiabilitiesAndStockholdersEquityAbstract to LiabilitiesNoncurrentAbstract" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="Liabilities" xlink:title="presentation: LiabilitiesAndStockholdersEquityAbstract to Liabilities" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="StockholdersEquityAbstract" xlink:title="StockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="CommonStockValue" xlink:title="presentation: StockholdersEquityAbstract to CommonStockValue" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="AdditionalPaidInCapitalCommonStock" xlink:title="AdditionalPaidInCapitalCommonStock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="AdditionalPaidInCapitalCommonStock" xlink:title="presentation: StockholdersEquityAbstract to AdditionalPaidInCapitalCommonStock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="RetainedEarningsAccumulatedDeficit" xlink:title="presentation: StockholdersEquityAbstract to RetainedEarningsAccumulatedDeficit" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="StockholdersEquity" xlink:title="presentation: StockholdersEquityAbstract to StockholdersEquity" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="StockholdersEquityAbstract" xlink:title="presentation: LiabilitiesAndStockholdersEquityAbstract to StockholdersEquityAbstract" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="LiabilitiesAndStockholdersEquityAbstract" xlink:title="presentation: StatementOfFinancialPositionAbstract to LiabilitiesAndStockholdersEquityAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="LiabilitiesAndStockholdersEquity" xlink:title="presentation: StatementOfFinancialPositionAbstract to LiabilitiesAndStockholdersEquity" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/ConsolidatedBalanceSheetsParenthetical">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="AllowanceForDoubtfulAccountsReceivableCurrent" xlink:title="AllowanceForDoubtfulAccountsReceivableCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="AllowanceForDoubtfulAccountsReceivableCurrent" xlink:title="presentation: AssetsCurrentAbstract to AllowanceForDoubtfulAccountsReceivableCurrent" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="AssetsCurrentAbstract" xlink:title="presentation: AssetsAbstract to AssetsCurrentAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="AssetsAbstract" xlink:title="presentation: StatementOfFinancialPositionAbstract to AssetsAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="StockholdersEquityAbstract" xlink:title="StockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="CommonStockParOrStatedValuePerShare" xlink:title="CommonStockParOrStatedValuePerShare" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="CommonStockParOrStatedValuePerShare" xlink:title="presentation: StockholdersEquityAbstract to CommonStockParOrStatedValuePerShare" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="CommonStockSharesAuthorized" xlink:title="CommonStockSharesAuthorized" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="CommonStockSharesAuthorized" xlink:title="presentation: StockholdersEquityAbstract to CommonStockSharesAuthorized" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="CommonStockSharesOutstanding" xlink:title="CommonStockSharesOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="CommonStockSharesOutstanding" xlink:title="presentation: StockholdersEquityAbstract to CommonStockSharesOutstanding" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="StockholdersEquityAbstract" xlink:title="presentation: LiabilitiesAndStockholdersEquityAbstract to StockholdersEquityAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="LiabilitiesAndStockholdersEquityAbstract" xlink:title="presentation: StatementOfFinancialPositionAbstract to LiabilitiesAndStockholdersEquityAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="StatementOfStockholdersEquityAbstract" xlink:title="StatementOfStockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="StatementEquityComponentsAxis" xlink:title="StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockMember" xlink:label="CommonStockMember" xlink:title="CommonStockMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementEquityComponentsAxis" xlink:to="CommonStockMember" xlink:title="presentation: StatementEquityComponentsAxis to CommonStockMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="AdditionalPaidInCapitalMember" xlink:title="AdditionalPaidInCapitalMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementEquityComponentsAxis" xlink:to="AdditionalPaidInCapitalMember" xlink:title="presentation: StatementEquityComponentsAxis to AdditionalPaidInCapitalMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="RetainedEarningsMember" xlink:title="RetainedEarningsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementEquityComponentsAxis" xlink:to="RetainedEarningsMember" xlink:title="presentation: StatementEquityComponentsAxis to RetainedEarningsMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="EquityComponentDomain" xlink:title="EquityComponentDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementEquityComponentsAxis" xlink:to="EquityComponentDomain" xlink:title="presentation: StatementEquityComponentsAxis to EquityComponentDomain" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementTable" xlink:to="StatementEquityComponentsAxis" xlink:title="presentation: StatementTable to StatementEquityComponentsAxis" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementLineItems" xlink:to="StockholdersEquity" xlink:title="presentation: StatementLineItems to StockholdersEquity" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementLineItems" xlink:to="NetIncomeLoss" xlink:title="presentation: StatementLineItems to NetIncomeLoss" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="StockIssuedDuringPeriodValueNewIssues" xlink:title="StockIssuedDuringPeriodValueNewIssues" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementLineItems" xlink:to="StockIssuedDuringPeriodValueNewIssues" xlink:title="presentation: StatementLineItems to StockIssuedDuringPeriodValueNewIssues" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="StockIssuedDuringPeriodValueShareBasedCompensation" xlink:title="StockIssuedDuringPeriodValueShareBasedCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementLineItems" xlink:to="StockIssuedDuringPeriodValueShareBasedCompensation" xlink:title="presentation: StatementLineItems to StockIssuedDuringPeriodValueShareBasedCompensation" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:title="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementLineItems" xlink:to="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:title="presentation: StatementLineItems to AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:title="EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementLineItems" xlink:to="EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:title="presentation: StatementLineItems to EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Dividends" xlink:label="Dividends" xlink:title="Dividends" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementLineItems" xlink:to="Dividends" xlink:title="presentation: StatementLineItems to Dividends" order="6.0" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity_2" xlink:title="StockholdersEquity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementLineItems" xlink:to="StockholdersEquity_2" xlink:title="presentation: StatementLineItems to StockholdersEquity" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementTable" xlink:to="StatementLineItems" xlink:title="presentation: StatementTable to StatementLineItems" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfStockholdersEquityAbstract" xlink:to="StatementTable" xlink:title="presentation: StatementOfStockholdersEquityAbstract to StatementTable" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/ConsolidatedStatementsOfCashFlows">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" xlink:title="StatementOfCashFlowsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="NetIncomeLoss" xlink:title="presentation: NetCashProvidedByUsedInOperatingActivitiesAbstract to NetIncomeLoss" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="DepreciationDepletionAndAmortization" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to DepreciationDepletionAndAmortization" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="DeferredIncomeTaxesAndTaxCredits" xlink:title="DeferredIncomeTaxesAndTaxCredits" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="DeferredIncomeTaxesAndTaxCredits" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to DeferredIncomeTaxesAndTaxCredits" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue" xlink:label="LifeInsuranceCorporateOrBankOwnedChangeInValue" xlink:title="LifeInsuranceCorporateOrBankOwnedChangeInValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="LifeInsuranceCorporateOrBankOwnedChangeInValue" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to LifeInsuranceCorporateOrBankOwnedChangeInValue" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="ShareBasedCompensation" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to ShareBasedCompensation" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="presentation: NetCashProvidedByUsedInOperatingActivitiesAbstract to AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:title="ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:title="presentation: NetCashProvidedByUsedInOperatingActivitiesAbstract to ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingAssets" xlink:label="IncreaseDecreaseInOperatingAssets" xlink:title="IncreaseDecreaseInOperatingAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="IncreaseDecreaseInOperatingAssets" xlink:title="presentation: NetCashProvidedByUsedInOperatingActivitiesAbstract to IncreaseDecreaseInOperatingAssets" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingLiabilities" xlink:label="IncreaseDecreaseInOperatingLiabilities" xlink:title="IncreaseDecreaseInOperatingLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="IncreaseDecreaseInOperatingLiabilities" xlink:title="presentation: NetCashProvidedByUsedInOperatingActivitiesAbstract to IncreaseDecreaseInOperatingLiabilities" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="NetCashProvidedByUsedInOperatingActivities" xlink:title="NetCashProvidedByUsedInOperatingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="NetCashProvidedByUsedInOperatingActivities" xlink:title="presentation: NetCashProvidedByUsedInOperatingActivitiesAbstract to NetCashProvidedByUsedInOperatingActivities" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="presentation: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInOperatingActivitiesAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesAbstract to PaymentsToAcquirePropertyPlantAndEquipment" order="0.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:title="ProceedsFromSaleOfPropertyPlantAndEquipment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesAbstract to ProceedsFromSaleOfPropertyPlantAndEquipment" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="NetCashProvidedByUsedInInvestingActivities" xlink:title="NetCashProvidedByUsedInInvestingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="NetCashProvidedByUsedInInvestingActivities" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesAbstract to NetCashProvidedByUsedInInvestingActivities" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="presentation: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInInvestingActivitiesAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="PaymentsOfDividendsCommonStock" xlink:title="PaymentsOfDividendsCommonStock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="PaymentsOfDividendsCommonStock" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesAbstract to PaymentsOfDividendsCommonStock" order="0.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="ProceedsFromIssuanceOfCommonStock" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesAbstract to ProceedsFromIssuanceOfCommonStock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:title="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesAbstract to ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="RepaymentsOfLongTermDebt" xlink:title="RepaymentsOfLongTermDebt" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="RepaymentsOfLongTermDebt" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesAbstract to RepaymentsOfLongTermDebt" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="ProceedsFromLinesOfCredit" xlink:title="ProceedsFromLinesOfCredit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="ProceedsFromLinesOfCredit" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesAbstract to ProceedsFromLinesOfCredit" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="RepaymentsOfLinesOfCredit" xlink:title="RepaymentsOfLinesOfCredit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="RepaymentsOfLinesOfCredit" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesAbstract to RepaymentsOfLinesOfCredit" order="5.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="NetCashProvidedByUsedInFinancingActivities" xlink:title="NetCashProvidedByUsedInFinancingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="NetCashProvidedByUsedInFinancingActivities" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesAbstract to NetCashProvidedByUsedInFinancingActivities" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="presentation: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInFinancingActivitiesAbstract" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="presentation: StatementOfCashFlowsAbstract to CashAndCashEquivalentsPeriodIncreaseDecrease" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:title="presentation: StatementOfCashFlowsAbstract to CashAndCashEquivalentsAtCarryingValue" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue_2" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="CashAndCashEquivalentsAtCarryingValue_2" xlink:title="presentation: StatementOfCashFlowsAbstract to CashAndCashEquivalentsAtCarryingValue" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/NatureOfOperationsAndBasisOfPresentation">
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract" xlink:label="Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract" xlink:title="Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_Dgas_NatureofoperationsandbasisofpresentationTextBlock" xlink:label="Dgas_NatureofoperationsandbasisofpresentationTextBlock" xlink:title="Dgas_NatureofoperationsandbasisofpresentationTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract" xlink:to="Dgas_NatureofoperationsandbasisofpresentationTextBlock" xlink:title="presentation: Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract to Dgas_NatureofoperationsandbasisofpresentationTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/FairValueMeasurements">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="FairValueDisclosuresTextBlock" xlink:title="FairValueDisclosuresTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueDisclosuresTextBlock" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueDisclosuresTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/RiskManagementAndDerivativeInstruments">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/UnbilledRevenue">
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_Dgas_UnbilledRevenuesAbstract" xlink:label="Dgas_UnbilledRevenuesAbstract" xlink:title="Dgas_UnbilledRevenuesAbstract" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_UnbilledRevenuesAndGasCostsTableTextBlock" xlink:label="UnbilledRevenuesAndGasCostsTableTextBlock" xlink:title="UnbilledRevenuesAndGasCostsTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Dgas_UnbilledRevenuesAbstract" xlink:to="UnbilledRevenuesAndGasCostsTableTextBlock" xlink:title="presentation: Dgas_UnbilledRevenuesAbstract to UnbilledRevenuesAndGasCostsTableTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/DefinedBenefitRetirementPlan">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:label="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:title="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:label="ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:title="ScheduleOfCostsOfRetirementPlansTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:to="ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:title="presentation: DefinedBenefitPlanNetPeriodicBenefitCostAbstract to ScheduleOfCostsOfRetirementPlansTableTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/DebtInstrument">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentsAbstract" xlink:label="DebtInstrumentsAbstract" xlink:title="DebtInstrumentsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="DebtDisclosureTextBlock" xlink:title="DebtDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentsAbstract" xlink:to="DebtDisclosureTextBlock" xlink:title="presentation: DebtInstrumentsAbstract to DebtDisclosureTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/CommitmentsAndContingencies">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="CommitmentsAndContingenciesDisclosureTextBlock" xlink:title="CommitmentsAndContingenciesDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="CommitmentsAndContingenciesDisclosureTextBlock" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to CommitmentsAndContingenciesDisclosureTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/RegulatoryMatters">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatedOperationsAbstract" xlink:label="RegulatedOperationsAbstract" xlink:title="RegulatedOperationsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilitiesDisclosureTextBlock" xlink:label="PublicUtilitiesDisclosureTextBlock" xlink:title="PublicUtilitiesDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RegulatedOperationsAbstract" xlink:to="PublicUtilitiesDisclosureTextBlock" xlink:title="presentation: RegulatedOperationsAbstract to PublicUtilitiesDisclosureTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/OperatingSegments">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="SegmentReportingAbstract" xlink:title="SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="SegmentReportingDisclosureTextBlock" xlink:title="SegmentReportingDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="SegmentReportingDisclosureTextBlock" xlink:title="presentation: SegmentReportingAbstract to SegmentReportingDisclosureTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/LossPerCommonShare">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" xlink:title="EarningsPerShareAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="EarningsPerShareTextBlock" xlink:title="EarningsPerShareTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="EarningsPerShareTextBlock" xlink:title="presentation: EarningsPerShareAbstract to EarningsPerShareTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/SharebasedCompensation">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:title="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:title="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:title="presentation: DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract to DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/TwoforoneStockSplit">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="StockholdersEquityNoteAbstract" xlink:title="StockholdersEquityNoteAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="StockholdersEquityNoteDisclosureTextBlock" xlink:title="StockholdersEquityNoteDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityNoteAbstract" xlink:to="StockholdersEquityNoteDisclosureTextBlock" xlink:title="presentation: StockholdersEquityNoteAbstract to StockholdersEquityNoteDisclosureTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/FairValueMeasurementsTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:title="FairValueAssetsMeasuredOnRecurringBasisTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueAssetsMeasuredOnRecurringBasisTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" xlink:label="FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" xlink:title="FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/UnbilledRevenueTables">
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_Dgas_UnbilledRevenuesAbstract" xlink:label="Dgas_UnbilledRevenuesAbstract" xlink:title="Dgas_UnbilledRevenuesAbstract" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_UnbilledRevenuesAndGasCostsTableTextBlock" xlink:label="UnbilledRevenuesAndGasCostsTableTextBlock" xlink:title="UnbilledRevenuesAndGasCostsTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Dgas_UnbilledRevenuesAbstract" xlink:to="UnbilledRevenuesAndGasCostsTableTextBlock" xlink:title="presentation: Dgas_UnbilledRevenuesAbstract to UnbilledRevenuesAndGasCostsTableTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/DefinedBenefitRetirementPlanTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:label="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:title="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:label="ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:title="ScheduleOfCostsOfRetirementPlansTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:to="ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:title="presentation: DefinedBenefitPlanNetPeriodicBenefitCostAbstract to ScheduleOfCostsOfRetirementPlansTableTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/DebtInstrumentTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentsAbstract" xlink:label="DebtInstrumentsAbstract" xlink:title="DebtInstrumentsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="LongTermDebtTextBlock" xlink:title="LongTermDebtTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentsAbstract" xlink:to="LongTermDebtTextBlock" xlink:title="presentation: DebtInstrumentsAbstract to LongTermDebtTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/OperatingSegmentsTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="SegmentReportingAbstract" xlink:title="SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:title="ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:title="presentation: SegmentReportingAbstract to ScheduleOfSegmentReportingInformationBySegmentTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/SharebasedCompensationTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:title="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" xlink:label="ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" xlink:title="ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" xlink:title="presentation: DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract to ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/NatureOfOperationsAndBasisOfPresentationDetails">
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract" xlink:label="Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract" xlink:title="Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_WhollyOwnedSubsidiaries" xlink:label="WhollyOwnedSubsidiaries" xlink:title="WhollyOwnedSubsidiaries" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract" xlink:to="WhollyOwnedSubsidiaries" xlink:title="presentation: Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract to WhollyOwnedSubsidiaries" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_NumberOfCustomers" xlink:label="NumberOfCustomers" xlink:title="NumberOfCustomers" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract" xlink:to="NumberOfCustomers" xlink:title="presentation: Dgas_Dgas_NatureofoperationsandbasisofpresentationAbstract to NumberOfCustomers" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/FairValueMeasurementsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesFairValueDisclosure" xlink:label="TradingSecuritiesFairValueDisclosure" xlink:title="TradingSecuritiesFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="TradingSecuritiesFairValueDisclosure" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to TradingSecuritiesFairValueDisclosure" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_MoneyMarketFundsFairValueDisclosure" xlink:label="MoneyMarketFundsFairValueDisclosure" xlink:title="MoneyMarketFundsFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="MoneyMarketFundsFairValueDisclosure" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to MoneyMarketFundsFairValueDisclosure" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_USEquitySecuritiesFairValueDisclosure" xlink:label="USEquitySecuritiesFairValueDisclosure" xlink:title="USEquitySecuritiesFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="USEquitySecuritiesFairValueDisclosure" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to USEquitySecuritiesFairValueDisclosure" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_USFixedIncomeSecuritiesFairValueDisclosure" xlink:label="USFixedIncomeSecuritiesFairValueDisclosure" xlink:title="USFixedIncomeSecuritiesFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="USFixedIncomeSecuritiesFairValueDisclosure" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to USFixedIncomeSecuritiesFairValueDisclosure" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="FairValueByBalanceSheetGroupingTable" xlink:title="FairValueByBalanceSheetGroupingTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:label="FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:title="FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="FairValueDisclosureItemAmountsDomain" xlink:title="FairValueDisclosureItemAmountsDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="CarryingReportedAmountFairValueDisclosureMember" xlink:title="CarryingReportedAmountFairValueDisclosureMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosureItemAmountsDomain" xlink:to="CarryingReportedAmountFairValueDisclosureMember" xlink:title="presentation: FairValueDisclosureItemAmountsDomain to CarryingReportedAmountFairValueDisclosureMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="PortionAtFairValueFairValueDisclosureMember" xlink:title="PortionAtFairValueFairValueDisclosureMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosureItemAmountsDomain" xlink:to="PortionAtFairValueFairValueDisclosureMember" xlink:title="presentation: FairValueDisclosureItemAmountsDomain to PortionAtFairValueFairValueDisclosureMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:to="FairValueDisclosureItemAmountsDomain" xlink:title="presentation: FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis to FairValueDisclosureItemAmountsDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueByBalanceSheetGroupingTable" xlink:to="FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:title="presentation: FairValueByBalanceSheetGroupingTable to FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:title="FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_LongTermDebt3FairValueDisclosure" xlink:label="LongTermDebt3FairValueDisclosure" xlink:title="LongTermDebt3FairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:to="LongTermDebt3FairValueDisclosure" xlink:title="presentation: FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems to LongTermDebt3FairValueDisclosure" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueByBalanceSheetGroupingTable" xlink:to="FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:title="presentation: FairValueByBalanceSheetGroupingTable to FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueByBalanceSheetGroupingTable" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueByBalanceSheetGroupingTable" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/RiskManagementAndDerivativeInstrumentsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_Dgas_Contractsusingfairvaluemethod" xlink:label="Dgas_Contractsusingfairvaluemethod" xlink:title="Dgas_Contractsusingfairvaluemethod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="Dgas_Contractsusingfairvaluemethod" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to Dgas_Contractsusingfairvaluemethod" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/UnbilledRevenueDetails">
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_Dgas_UnbilledRevenuesAbstract" xlink:label="Dgas_UnbilledRevenuesAbstract" xlink:title="Dgas_UnbilledRevenuesAbstract" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_UnbilledRevenues" xlink:label="UnbilledRevenues" xlink:title="UnbilledRevenues" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Dgas_UnbilledRevenuesAbstract" xlink:to="UnbilledRevenues" xlink:title="presentation: Dgas_UnbilledRevenuesAbstract to UnbilledRevenues" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_UnbilledGasCosts" xlink:label="UnbilledGasCosts" xlink:title="UnbilledGasCosts" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Dgas_UnbilledRevenuesAbstract" xlink:to="UnbilledGasCosts" xlink:title="presentation: Dgas_UnbilledRevenuesAbstract to UnbilledGasCosts" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_UnbilledVolumes" xlink:label="UnbilledVolumes" xlink:title="UnbilledVolumes" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Dgas_UnbilledRevenuesAbstract" xlink:to="UnbilledVolumes" xlink:title="presentation: Dgas_UnbilledRevenuesAbstract to UnbilledVolumes" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/DefinedBenefitRetirementPlanDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:label="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:title="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="DefinedBenefitPlanServiceCost" xlink:title="DefinedBenefitPlanServiceCost" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:to="DefinedBenefitPlanServiceCost" xlink:title="presentation: DefinedBenefitPlanNetPeriodicBenefitCostAbstract to DefinedBenefitPlanServiceCost" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="DefinedBenefitPlanInterestCost" xlink:title="DefinedBenefitPlanInterestCost" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:to="DefinedBenefitPlanInterestCost" xlink:title="presentation: DefinedBenefitPlanNetPeriodicBenefitCostAbstract to DefinedBenefitPlanInterestCost" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:title="DefinedBenefitPlanExpectedReturnOnPlanAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:to="DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:title="presentation: DefinedBenefitPlanNetPeriodicBenefitCostAbstract to DefinedBenefitPlanExpectedReturnOnPlanAssets" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="DefinedBenefitPlanAmortizationOfGainsLosses" xlink:title="DefinedBenefitPlanAmortizationOfGainsLosses" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:to="DefinedBenefitPlanAmortizationOfGainsLosses" xlink:title="presentation: DefinedBenefitPlanNetPeriodicBenefitCostAbstract to DefinedBenefitPlanAmortizationOfGainsLosses" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:title="DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:to="DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:title="presentation: DefinedBenefitPlanNetPeriodicBenefitCostAbstract to DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="DefinedBenefitPlanNetPeriodicBenefitCost" xlink:title="DefinedBenefitPlanNetPeriodicBenefitCost" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:to="DefinedBenefitPlanNetPeriodicBenefitCost" xlink:title="presentation: DefinedBenefitPlanNetPeriodicBenefitCostAbstract to DefinedBenefitPlanNetPeriodicBenefitCost" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/DebtInstrumentDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentsAbstract" xlink:label="DebtInstrumentsAbstract" xlink:title="DebtInstrumentsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="LineOfCreditFacilityTable" xlink:title="LineOfCreditFacilityTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="LineOfCreditFacilityAxis" xlink:title="LineOfCreditFacilityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="LineOfCreditFacilityLenderDomain" xlink:title="LineOfCreditFacilityLenderDomain" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_BranchBankingAndTrustCompanyMember" xlink:label="BranchBankingAndTrustCompanyMember" xlink:title="BranchBankingAndTrustCompanyMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LineOfCreditFacilityLenderDomain" xlink:to="BranchBankingAndTrustCompanyMember" xlink:title="presentation: LineOfCreditFacilityLenderDomain to BranchBankingAndTrustCompanyMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LineOfCreditFacilityAxis" xlink:to="LineOfCreditFacilityLenderDomain" xlink:title="presentation: LineOfCreditFacilityAxis to LineOfCreditFacilityLenderDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LineOfCreditFacilityTable" xlink:to="LineOfCreditFacilityAxis" xlink:title="presentation: LineOfCreditFacilityTable to LineOfCreditFacilityAxis" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="LineOfCreditFacilityLineItems" xlink:title="LineOfCreditFacilityLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:title="LineOfCreditFacilityMaximumBorrowingCapacity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LineOfCreditFacilityLineItems" xlink:to="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:title="presentation: LineOfCreditFacilityLineItems to LineOfCreditFacilityMaximumBorrowingCapacity" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="DebtInstrumentDescriptionOfVariableRateBasis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LineOfCreditFacilityLineItems" xlink:to="DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="presentation: LineOfCreditFacilityLineItems to DebtInstrumentDescriptionOfVariableRateBasis" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="DebtInstrumentBasisSpreadOnVariableRate" xlink:title="DebtInstrumentBasisSpreadOnVariableRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LineOfCreditFacilityLineItems" xlink:to="DebtInstrumentBasisSpreadOnVariableRate" xlink:title="presentation: LineOfCreditFacilityLineItems to DebtInstrumentBasisSpreadOnVariableRate" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:title="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LineOfCreditFacilityLineItems" xlink:to="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:title="presentation: LineOfCreditFacilityLineItems to LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LineOfCreditFacilityTable" xlink:to="LineOfCreditFacilityLineItems" xlink:title="presentation: LineOfCreditFacilityTable to LineOfCreditFacilityLineItems" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentsAbstract" xlink:to="LineOfCreditFacilityTable" xlink:title="presentation: DebtInstrumentsAbstract to LineOfCreditFacilityTable" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="LongTermDebtByMaturityAbstract" xlink:title="LongTermDebtByMaturityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentsAbstract" xlink:to="LongTermDebtByMaturityAbstract" xlink:title="presentation: DebtInstrumentsAbstract to LongTermDebtByMaturityAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_TotalOfLong-TermDebtMaturity" xlink:label="TotalOfLong-TermDebtMaturity" xlink:title="TotalOfLong-TermDebtMaturity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentsAbstract" xlink:to="TotalOfLong-TermDebtMaturity" xlink:title="presentation: DebtInstrumentsAbstract to TotalOfLong-TermDebtMaturity" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/CommitmentsAndContingenciesDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_NumberOfOfficersSubjectToChangeInControlAgreements" xlink:label="NumberOfOfficersSubjectToChangeInControlAgreements" xlink:title="NumberOfOfficersSubjectToChangeInControlAgreements" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="NumberOfOfficersSubjectToChangeInControlAgreements" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to NumberOfOfficersSubjectToChangeInControlAgreements" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_AdditionalPotentialLumpSumPayments" xlink:label="AdditionalPotentialLumpSumPayments" xlink:title="AdditionalPotentialLumpSumPayments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="AdditionalPotentialLumpSumPayments" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to AdditionalPotentialLumpSumPayments" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_NumberOfYearsBenefitsMustBePaidForChangeOfControlExercise" xlink:label="NumberOfYearsBenefitsMustBePaidForChangeOfControlExercise" xlink:title="NumberOfYearsBenefitsMustBePaidForChangeOfControlExercise" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="NumberOfYearsBenefitsMustBePaidForChangeOfControlExercise" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to NumberOfYearsBenefitsMustBePaidForChangeOfControlExercise" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="LossContingenciesTable" xlink:title="LossContingenciesTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="LossContingenciesLineItems" xlink:title="LossContingenciesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:label="LossContingencyEstimateOfPossibleLoss" xlink:title="LossContingencyEstimateOfPossibleLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyEstimateOfPossibleLoss" xlink:title="presentation: LossContingenciesLineItems to LossContingencyEstimateOfPossibleLoss" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_TaxesSoughtOnUncollectedLicenseFees" xlink:label="TaxesSoughtOnUncollectedLicenseFees" xlink:title="TaxesSoughtOnUncollectedLicenseFees" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="TaxesSoughtOnUncollectedLicenseFees" xlink:title="presentation: LossContingenciesLineItems to TaxesSoughtOnUncollectedLicenseFees" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_PenaltiesSoughtOnUncollectedLicenseFees" xlink:label="PenaltiesSoughtOnUncollectedLicenseFees" xlink:title="PenaltiesSoughtOnUncollectedLicenseFees" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="PenaltiesSoughtOnUncollectedLicenseFees" xlink:title="presentation: LossContingenciesLineItems to PenaltiesSoughtOnUncollectedLicenseFees" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_InterestSoughtOnUncollectedLicensesFees" xlink:label="InterestSoughtOnUncollectedLicensesFees" xlink:title="InterestSoughtOnUncollectedLicensesFees" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="InterestSoughtOnUncollectedLicensesFees" xlink:title="presentation: LossContingenciesLineItems to InterestSoughtOnUncollectedLicensesFees" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_UtilityGrossReceiptsLicenseTaxRate" xlink:label="UtilityGrossReceiptsLicenseTaxRate" xlink:title="UtilityGrossReceiptsLicenseTaxRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="UtilityGrossReceiptsLicenseTaxRate" xlink:title="presentation: LossContingenciesLineItems to UtilityGrossReceiptsLicenseTaxRate" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="AccruedIncomeTaxesCurrent" xlink:title="AccruedIncomeTaxesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="AccruedIncomeTaxesCurrent" xlink:title="presentation: LossContingenciesLineItems to AccruedIncomeTaxesCurrent" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_EstimatedLiabilityForTaxes" xlink:label="EstimatedLiabilityForTaxes" xlink:title="EstimatedLiabilityForTaxes" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="EstimatedLiabilityForTaxes" xlink:title="presentation: LossContingenciesLineItems to EstimatedLiabilityForTaxes" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExaminationInterestAccrued" xlink:label="IncomeTaxExaminationInterestAccrued" xlink:title="IncomeTaxExaminationInterestAccrued" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="IncomeTaxExaminationInterestAccrued" xlink:title="presentation: LossContingenciesLineItems to IncomeTaxExaminationInterestAccrued" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:label="AllowanceForDoubtfulAccountsReceivable" xlink:title="AllowanceForDoubtfulAccountsReceivable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="AllowanceForDoubtfulAccountsReceivable" xlink:title="presentation: LossContingenciesLineItems to AllowanceForDoubtfulAccountsReceivable" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_AmountBilledToCustomersForUtilityGrossReceiptsLicenseTax" xlink:label="AmountBilledToCustomersForUtilityGrossReceiptsLicenseTax" xlink:title="AmountBilledToCustomersForUtilityGrossReceiptsLicenseTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="AmountBilledToCustomersForUtilityGrossReceiptsLicenseTax" xlink:title="presentation: LossContingenciesLineItems to AmountBilledToCustomersForUtilityGrossReceiptsLicenseTax" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_ExpenseRelatedToInterestAndCollectibles" xlink:label="ExpenseRelatedToInterestAndCollectibles" xlink:title="ExpenseRelatedToInterestAndCollectibles" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="ExpenseRelatedToInterestAndCollectibles" xlink:title="presentation: LossContingenciesLineItems to ExpenseRelatedToInterestAndCollectibles" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_UnbilledReceivableNetOfAllowanceForUncollectibleAmounts" xlink:label="UnbilledReceivableNetOfAllowanceForUncollectibleAmounts" xlink:title="UnbilledReceivableNetOfAllowanceForUncollectibleAmounts" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="UnbilledReceivableNetOfAllowanceForUncollectibleAmounts" xlink:title="presentation: LossContingenciesLineItems to UnbilledReceivableNetOfAllowanceForUncollectibleAmounts" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_ReceivablesRelatedToRightOnReimbursementOfTaxesFromRelatedPartyCustomer" xlink:label="ReceivablesRelatedToRightOnReimbursementOfTaxesFromRelatedPartyCustomer" xlink:title="ReceivablesRelatedToRightOnReimbursementOfTaxesFromRelatedPartyCustomer" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="ReceivablesRelatedToRightOnReimbursementOfTaxesFromRelatedPartyCustomer" xlink:title="presentation: LossContingenciesLineItems to ReceivablesRelatedToRightOnReimbursementOfTaxesFromRelatedPartyCustomer" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths" xlink:label="PurchaseObligationDueInNextTwelveMonths" xlink:title="PurchaseObligationDueInNextTwelveMonths" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="PurchaseObligationDueInNextTwelveMonths" xlink:title="presentation: LossContingenciesLineItems to PurchaseObligationDueInNextTwelveMonths" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LossContingenciesLineItems" xlink:title="presentation: LossContingenciesTable to LossContingenciesLineItems" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="LossContingenciesTable" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to LossContingenciesTable" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/OperatingSegmentsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="SegmentReportingAbstract" xlink:title="SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="NumberOfReportableSegments" xlink:title="NumberOfReportableSegments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="NumberOfReportableSegments" xlink:title="presentation: SegmentReportingAbstract to NumberOfReportableSegments" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="ScheduleOfSegmentReportingInformationBySegmentTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="StatementBusinessSegmentsAxis" xlink:title="StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain" xlink:title="SegmentDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatedOperationMember" xlink:label="RegulatedOperationMember" xlink:title="RegulatedOperationMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="RegulatedOperationMember" xlink:title="presentation: SegmentDomain to RegulatedOperationMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnregulatedOperationMember" xlink:label="UnregulatedOperationMember" xlink:title="UnregulatedOperationMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="UnregulatedOperationMember" xlink:title="presentation: SegmentDomain to UnregulatedOperationMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="IntersegmentEliminationMember" xlink:title="IntersegmentEliminationMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="IntersegmentEliminationMember" xlink:title="presentation: SegmentDomain to IntersegmentEliminationMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementBusinessSegmentsAxis" xlink:to="SegmentDomain" xlink:title="presentation: StatementBusinessSegmentsAxis to SegmentDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="StatementBusinessSegmentsAxis" xlink:title="presentation: ScheduleOfSegmentReportingInformationBySegmentTable to StatementBusinessSegmentsAxis" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="SegmentReportingInformationLineItems" xlink:title="SegmentReportingInformationLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationRevenueAbstract" xlink:label="SegmentReportingInformationRevenueAbstract" xlink:title="SegmentReportingInformationRevenueAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationRevenueAbstract" xlink:to="Revenues" xlink:title="presentation: SegmentReportingInformationRevenueAbstract to Revenues" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:label="RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:title="RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationRevenueAbstract" xlink:to="RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:title="presentation: SegmentReportingInformationRevenueAbstract to RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationRevenue" xlink:label="SegmentReportingInformationRevenue" xlink:title="SegmentReportingInformationRevenue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationRevenueAbstract" xlink:to="SegmentReportingInformationRevenue" xlink:title="presentation: SegmentReportingInformationRevenueAbstract to SegmentReportingInformationRevenue" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:label="RegulatedAndUnregulatedOperatingRevenue" xlink:title="RegulatedAndUnregulatedOperatingRevenue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationRevenueAbstract" xlink:to="RegulatedAndUnregulatedOperatingRevenue" xlink:title="presentation: SegmentReportingInformationRevenueAbstract to RegulatedAndUnregulatedOperatingRevenue" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="SegmentReportingInformationRevenueAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to SegmentReportingInformationRevenueAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAttributableToReportingEntityAbstract" xlink:label="NetIncomeLossAttributableToReportingEntityAbstract" xlink:title="NetIncomeLossAttributableToReportingEntityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetIncomeLossAttributableToReportingEntityAbstract" xlink:to="NetIncomeLoss" xlink:title="presentation: NetIncomeLossAttributableToReportingEntityAbstract to NetIncomeLoss" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="NetIncomeLossAttributableToReportingEntityAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to NetIncomeLossAttributableToReportingEntityAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="SegmentReportingInformationLineItems" xlink:title="presentation: ScheduleOfSegmentReportingInformationBySegmentTable to SegmentReportingInformationLineItems" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="presentation: SegmentReportingAbstract to ScheduleOfSegmentReportingInformationBySegmentTable" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/LossPerCommonShareDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" xlink:title="EarningsPerShareAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:label="WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:title="WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights" xlink:label="IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights" xlink:title="IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:to="IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights" xlink:title="presentation: WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract to IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="presentation: WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:title="presentation: EarningsPerShareAbstract to WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/SharebasedCompensationDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:title="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteStockSplitConversionRatio" xlink:label="StockholdersEquityNoteStockSplitConversionRatio" xlink:title="StockholdersEquityNoteStockSplitConversionRatio" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="StockholdersEquityNoteStockSplitConversionRatio" xlink:title="presentation: DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract to StockholdersEquityNoteStockSplitConversionRatio" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_StockSplitDistributionDate" xlink:label="StockSplitDistributionDate" xlink:title="StockSplitDistributionDate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="StockSplitDistributionDate" xlink:title="presentation: DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract to StockSplitDistributionDate" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="PerformanceSharesMember" xlink:title="PerformanceSharesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="PerformanceSharesMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to PerformanceSharesMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockMember" xlink:label="CommonStockMember" xlink:title="CommonStockMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="CommonStockMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to CommonStockMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AwardTypeAxis" xlink:to="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="presentation: AwardTypeAxis to ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="AwardTypeAxis" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to AwardTypeAxis" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="AllocatedShareBasedCompensationExpense" xlink:title="AllocatedShareBasedCompensationExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="AllocatedShareBasedCompensationExpense" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to AllocatedShareBasedCompensationExpense" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" xlink:label="AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" xlink:title="AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_GrantDateFairValue" xlink:label="GrantDateFairValue" xlink:title="GrantDateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="GrantDateFairValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to GrantDateFairValue" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="presentation: DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract to ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://deltagas.com/role/TwoforoneStockSplitDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="StockholdersEquityNoteAbstract" xlink:title="StockholdersEquityNoteAbstract" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_StockSplitDateDeclared" xlink:label="StockSplitDateDeclared" xlink:title="StockSplitDateDeclared" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityNoteAbstract" xlink:to="StockSplitDateDeclared" xlink:title="presentation: StockholdersEquityNoteAbstract to StockSplitDateDeclared" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteStockSplitConversionRatio" xlink:label="StockholdersEquityNoteStockSplitConversionRatio" xlink:title="StockholdersEquityNoteStockSplitConversionRatio" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityNoteAbstract" xlink:to="StockholdersEquityNoteStockSplitConversionRatio" xlink:title="presentation: StockholdersEquityNoteAbstract to StockholdersEquityNoteStockSplitConversionRatio" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="CommonStockParOrStatedValuePerShare" xlink:title="CommonStockParOrStatedValuePerShare" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityNoteAbstract" xlink:to="CommonStockParOrStatedValuePerShare" xlink:title="presentation: StockholdersEquityNoteAbstract to CommonStockParOrStatedValuePerShare" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_StockSplitDistributionDate" xlink:label="StockSplitDistributionDate" xlink:title="StockSplitDistributionDate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityNoteAbstract" xlink:to="StockSplitDistributionDate" xlink:title="presentation: StockholdersEquityNoteAbstract to StockSplitDistributionDate" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="dgas-20120930.xsd#dgas_StockSplitDateOfRecord" xlink:label="StockSplitDateOfRecord" xlink:title="StockSplitDateOfRecord" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityNoteAbstract" xlink:to="StockSplitDateOfRecord" xlink:title="presentation: StockholdersEquityNoteAbstract to StockSplitDateOfRecord" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
</link:linkbase>
