-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 SO7yQO0ylHcIgO+RdaHR+Tnv0S5IGf0kA9XpYVT4zNNJ4/1hJzhisoOwMIHsIlQV
 3kauF2tWqa8n/Je8avWrxA==

<SEC-DOCUMENT>0001204975-10-000006.txt : 20100304
<SEC-HEADER>0001204975-10-000006.hdr.sgml : 20100304
<ACCEPTANCE-DATETIME>20100304175328
ACCESSION NUMBER:		0001204975-10-000006
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100226
FILED AS OF DATE:		20100304
DATE AS OF CHANGE:		20100304

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED STATES LIME & MINERALS INC
		CENTRAL INDEX KEY:			0000082020
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				750789226
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5429 LBJ FREEWAY
		STREET 2:		SUITE 230
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		972-991-8400

	MAIL ADDRESS:	
		STREET 1:		5429 LBJ FREEWAY
		STREET 2:		SUITE 230
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCOTTISH HERITABLE INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RANGAIRE CORP
		DATE OF NAME CHANGE:	19900405

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROBERTS MANUFACTURING CO INC
		DATE OF NAME CHANGE:	19690311

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HUGHES BILL
		CENTRAL INDEX KEY:			0001235058

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-04197
		FILM NUMBER:		10658424

	MAIL ADDRESS:	
		STREET 1:		5429 LBJ FREEWAY
		STREET 2:		SUITE 230
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-02-26</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000082020</issuerCik>
        <issuerName>UNITED STATES LIME &amp; MINERALS INC</issuerName>
        <issuerTradingSymbol>USLM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001235058</rptOwnerCik>
            <rptOwnerName>HUGHES BILL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5429 LBJ FREEWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 230</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>USLM Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>22426</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>M Michael Owens (POA)</signatureName>
        <signatureDate>2010-03-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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