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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001209191-10-016488.txt : 20100312
<SEC-HEADER>0001209191-10-016488.hdr.sgml : 20100312
<ACCEPTANCE-DATETIME>20100312104853
ACCESSION NUMBER:		0001209191-10-016488
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100201
FILED AS OF DATE:		20100312
DATE AS OF CHANGE:		20100312

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Patriot Coal CORP
		CENTRAL INDEX KEY:			0001376812
		STANDARD INDUSTRIAL CLASSIFICATION:	BITUMINOUS COAL & LIGNITE MINING [1220]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12312 OLIVE BOULEVARD
		STREET 2:		SUITE 400
		CITY:			ST. LOUIS
		STATE:			MO
		ZIP:			63141
		BUSINESS PHONE:		314-275-3600

	MAIL ADDRESS:	
		STREET 1:		12312 OLIVE BOULEVARD
		STREET 2:		SUITE 400
		CITY:			ST. LOUIS
		STATE:			MO
		ZIP:			63141

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eastern Coal Holding Company, Inc.
		DATE OF NAME CHANGE:	20060928

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NORTHWESTERN MUTUAL LIFE INSURANCE CO
		CENTRAL INDEX KEY:			0000073076
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33466
		FILM NUMBER:		10676263

	BUSINESS ADDRESS:	
		STREET 1:		720 E WISCONSIN AVENUE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
		BUSINESS PHONE:		4142992508

	MAIL ADDRESS:	
		STREET 1:		720 EAST WISCONSIN AVENUE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>c97659_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2010-02-01</periodOfReport>

    <dateOfOriginalSubmission>2010-03-03</dateOfOriginalSubmission>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001376812</issuerCik>
        <issuerName>Patriot Coal CORP</issuerName>
        <issuerTradingSymbol>PCX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000073076</rptOwnerCik>
            <rptOwnerName>NORTHWESTERN MUTUAL LIFE INSURANCE CO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>720 EAST WISCONSIN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MILWAUKEE</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>53202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Footnote 1</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8844</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.9992</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8844</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8844</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person may be deemed a member of a group beneficially owning 10% or more of the Common Stock of the Issuer within the meaning of Section 13(d) of the Securities Exchange Act of 1934.  The Reporting Person disclaims beneficial ownership of the shares beneficially owned by any other person, and this report shall not be deemed an admission that such a group exists or that the Reporting Person is the beneficial owner of the securities of such group for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F2">The 8,844 shares were transferred pursuant to a letter agreement (as amended, the &quot;Letter Agreement&quot;) which provided that certain persons including the Reporting Person would transfer to Mr. Paul Vining shares of Common Stock in an amount determined as set forth in the Letter Agreement.  The foregoing discussion of the Letter Agreement is not intended to be a complete statement of all of the material terms thereof and is qualified in its entirety by the Letter Agreement filed as Exhibit 10.1 to Patriot Coal Corporation's quarterly report on Form 10-Q filed on August 7, 2009 (File No. 001-33466).</footnote>
        <footnote id="F3">This Form 4/A amends the Form 4 filing dated March 3, 2010 to reflect that the closing price on the date of transfer of the 8,844 shares to Paul Vining was $14.30.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY By: /s/ David A. Barras, Its Authorized Representative</signatureName>
        <signatureDate>2010-03-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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