Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000110104-11-000003-index-headers.html | 2011-02-24 08:52:07 | |
| 0000110104-11-000003-index.html | 2011-02-24 08:52:07 | |
| 0000110104-11-000003.txt | 2011-02-24 08:52:07 | |
 0000110104-11-000003-xbrl.zip | 116420 | 2011-02-24 08:52:07 |
| consentofaccountingfirm.htm | 5537 | 2011-02-24 08:52:07 |
| defnref.xml | 34899 | 2011-02-24 08:52:07 |
| exhibit3101certification.htm | 13209 | 2011-02-24 08:52:07 |
| exhibit3102certification.htm | 13220 | 2011-02-24 08:52:07 |
| exhibit3201certification.htm | 6774 | 2011-02-24 08:52:07 |
| exhibit3202certification.htm | 6718 | 2011-02-24 08:52:07 |
| FilingSummary.xml | 19564 | 2011-02-24 08:52:07 |
| Financial_Report.xls | 1558569 | 2011-02-24 08:52:07 |
| firstamenddirectorsstockvalu.htm | 6175 | 2011-02-24 08:52:07 |
| gas-20101231.xml | 1734006 | 2011-02-24 08:52:07 |
| gas-20101231.xsd | 21832 | 2011-02-24 08:52:07 |
| gas-20101231_cal.xml | 66105 | 2011-02-24 08:52:07 |
| gas-20101231_def.xml | 19952 | 2011-02-24 08:52:07 |
| gas-20101231_lab.xml | 241676 | 2011-02-24 08:52:07 |
| gas-20101231_pre.xml | 152632 | 2011-02-24 08:52:07 |
| nicorinc123110form10k.htm | 3173353 | 2011-02-24 08:52:07 |
 nicorinclogo.jpg | 6254 | 2011-02-24 08:52:07 |
| powersofattorney.htm | 43527 | 2011-02-24 08:52:07 |
| R1.xml | 99556 | 2011-02-24 08:52:07 |
| R10.xml | 12219 | 2011-02-24 08:52:07 |
| R11.xml | 84160 | 2011-02-24 08:52:07 |
| R12.xml | 45478 | 2011-02-24 08:52:07 |
| R13.xml | 25830 | 2011-02-24 08:52:07 |
| R14.xml | 21594 | 2011-02-24 08:52:07 |
| R15.xml | 44696 | 2011-02-24 08:52:07 |
| R16.xml | 114453 | 2011-02-24 08:52:07 |
| R17.xml | 85039 | 2011-02-24 08:52:07 |
| R18.xml | 131441 | 2011-02-24 08:52:07 |
| R19.xml | 429054 | 2011-02-24 08:52:07 |
| R2.xml | 12350 | 2011-02-24 08:52:07 |
| R20.xml | 52620 | 2011-02-24 08:52:07 |
| R21.xml | 38510 | 2011-02-24 08:52:07 |
| R22.xml | 10656 | 2011-02-24 08:52:07 |
| R23.xml | 341283 | 2011-02-24 08:52:07 |
| R24.xml | 29421 | 2011-02-24 08:52:07 |
| R25.xml | 10870 | 2011-02-24 08:52:07 |
| R26.xml | 28310 | 2011-02-24 08:52:07 |
| R27.xml | 11387 | 2011-02-24 08:52:07 |
| R28.xml | 13344 | 2011-02-24 08:52:07 |
| R29.xml | 32530 | 2011-02-24 08:52:07 |
| R3.xml | 134378 | 2011-02-24 08:52:07 |
| R30.xml | 70116 | 2011-02-24 08:52:07 |
| R31.xml | 180389 | 2011-02-24 08:52:07 |
| R32.xml | 8543 | 2011-02-24 08:52:07 |
| R33.xml | 37958 | 2011-02-24 08:52:07 |
| R4.xml | 150837 | 2011-02-24 08:52:07 |
| R5.xml | 17212 | 2011-02-24 08:52:07 |
| R6.xml | 109386 | 2011-02-24 08:52:07 |
| R7.xml | 9623 | 2011-02-24 08:52:07 |
| R8.xml | 38753 | 2011-02-24 08:52:07 |
| R9.xml | 19306 | 2011-02-24 08:52:07 |
 stockperformancegraph4.jpg | 38996 | 2011-02-24 08:52:07 |
| subsidiaries.htm | 5512 | 2011-02-24 08:52:07 |
| supplementalindent012511.htm | 99787 | 2011-02-24 08:52:07 |
| thirdamendgasdirectdefcomp.htm | 14016 | 2011-02-24 08:52:07 |
| thirdamendincdirectdefcomp.htm | 10227 | 2011-02-24 08:52:07 |