<SEC-DOCUMENT>0001052918-18-000097.txt : 20180403
<SEC-HEADER>0001052918-18-000097.hdr.sgml : 20180403
<ACCEPTANCE-DATETIME>20180403162715
ACCESSION NUMBER:		0001052918-18-000097
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180403
FILED AS OF DATE:		20180403
DATE AS OF CHANGE:		20180403

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Shiell Kevin G
		CENTRAL INDEX KEY:			0001512554

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28837
		FILM NUMBER:		18733782

	MAIL ADDRESS:	
		STREET 1:		STILLWATER MINING COMPANY
		STREET 2:		1321 DISCOVERY DRIVE
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEW JERSEY MINING CO
		CENTRAL INDEX KEY:			0001030192
		STANDARD INDUSTRIAL CLASSIFICATION:	GOLD & SILVER ORES [1040]
		IRS NUMBER:				820490295
		STATE OF INCORPORATION:			ID
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		89 APPLEBERG RD
		STREET 2:		PO BOX 1019
		CITY:			KELLOGG
		STATE:			ID
		ZIP:			83837
		BUSINESS PHONE:		208-783-3331

	MAIL ADDRESS:	
		STREET 1:		89 APPLEBERG ROAD
		STREET 2:		PO BOX 1019
		CITY:			KELLOGG
		STATE:			ID
		ZIP:			83837
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-04-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001030192</issuerCik>
        <issuerName>NEW JERSEY MINING CO</issuerName>
        <issuerTradingSymbol>NJMC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001512554</rptOwnerCik>
            <rptOwnerName>Shiell Kevin G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>STILLWATER MINING COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>1321 DISCOVERY DRIVE</rptOwnerStreet2>
            <rptOwnerCity>BILLINGS</rptOwnerCity>
            <rptOwnerState>MT</rptOwnerState>
            <rptOwnerZipCode>59102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2018-03-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>400000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.13</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>600000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Warrant</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.22</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-03-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.22</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2018-03-30</value>
            </exerciseDate>
            <expirationDate>
                <value>2020-03-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>200000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>550000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Common Stock and Warrants purchased on 3/30/18 were sold together as Units of the Issuers private placement.  Each Unit consists of one share of restricted common stock at $0.13 per share and one-half warrant. One whole warrant allows the holder to purchase one share of restricted common stock at a price of $0.22 per share for 24 months commencing at the closing of the offering on March 30, 2018.</footnote>
    </footnotes>

    <remarks>Common Stock and Warrants purchased on 3/30/18 were sold together as Units of the Issuers private placement.  Each Unit consists of one share of restricted common stock at $0.13 per share and one-half warrant. One whole warrant allows the holder to purchase one share of restricted common stock at a price of $0.22 per share for 24 months commencing at the closing of the offering on March 30, 2018.</remarks>

    <ownerSignature>
        <signatureName>/s/ Kevin G. Shiell</signatureName>
        <signatureDate>2018-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
