<SEC-DOCUMENT>0000216851-17-000029.txt : 20170922
<SEC-HEADER>0000216851-17-000029.hdr.sgml : 20170922
<ACCEPTANCE-DATETIME>20170922171805
ACCESSION NUMBER:		0000216851-17-000029
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170608
FILED AS OF DATE:		20170922
DATE AS OF CHANGE:		20170922

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Prue Nancy J F
		CENTRAL INDEX KEY:			0001353074

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-02736
		FILM NUMBER:		171098220

	MAIL ADDRESS:	
		STREET 1:		PETROLEUM & RESOURCES CORPORATION
		STREET 2:		7 SAINT PAUL STREET
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADAMS NATURAL RESOURCES FUND, INC.
		CENTRAL INDEX KEY:			0000216851
		IRS NUMBER:				135506797
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 EAST PRATT STREET
		STREET 2:		SUITE 1300
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202
		BUSINESS PHONE:		4107525900

	MAIL ADDRESS:	
		STREET 1:		500 EAST PRATT STREET
		STREET 2:		SUITE 1300
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADAMS NATURAL RESOURCES FUND
		DATE OF NAME CHANGE:	20150331

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PETROLEUM & RESOURCES CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-06-08</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000216851</issuerCik>
        <issuerName>ADAMS NATURAL RESOURCES FUND, INC.</issuerName>
        <issuerTradingSymbol>PEO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001353074</rptOwnerCik>
            <rptOwnerName>Prue Nancy J F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ADAMS NATURAL RESOURCES FUND, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>500 EAST PRATT STREET, SUITE 1300</rptOwnerStreet2>
            <rptOwnerCity>BALTIMORE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>E.V.P. &amp; Dir. Shareholder Com.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-06-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>97.737</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11635.862</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-06-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>785</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.61</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10850.862</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-06-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>79.778</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6817.354</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Issuer's Thrift Plan Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares were acquired in exempt transactions as a result of dividend reinvestment during January 1 - June 8, 2017.  The Issuer's stock traded in a range of $18.57 - $20.70 during January 1 - June 8, 2017.</footnote>
        <footnote id="F2">Of these shares, 64.9525 shares are held by the Issuer's Thrift Plan Trust and 14.8255 are held by Adams Diversified Equity Fund, Inc.'s Thrift Plan Trust and represent the undersigned's proportionate beneficial interest in the shares that were acquired by the Trusts during January 1 - June 8, 2017 in exempt transactions as a result of periodic contributions and shares acquired by the Trustees through dividend reinvestment.  The Issuer's stock traded in a range of $18.57 - $20.70 during January 1 - June 8, 2017.</footnote>
        <footnote id="F3">The number of shares reported as held by the Issuer's and the Adams Diversified Equity Fund's Thrift Plan Trusts represent the undersigned's proportionate beneficial interest in such stock held in the Trusts.  Such number is based on information as of June 8, 2017.  This number includes the shares acquired in exempt transactions through periodic contributions made during January 1 - June 8, 2017, shares acquired by the Trustees through dividend reinvestment, and changes in the number of shares previously reported due to fluctuations in the market price and interests in the Trusts during January 1 - June 8, 2017.</footnote>
    </footnotes>

    <remarks>Nancy J. F. Prue retired on June 8, 2017.</remarks>

    <ownerSignature>
        <signatureName>Gail L. Valenti as Attorney-in-Fact for Nancy J. F. Prue</signatureName>
        <signatureDate>2017-09-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
