Johnson, L. A. <br/><br/>
Properties of Utah tar sands-- south Seep Ridge area, P.R. Spring deposit  
Johnson, L. A.; Cupps, Cecil Q.; Marchant, L. C. 
 - Washington  Bureau of mines  1975 
 - 14 p. 
 - RI 8003 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA<br/>MINING
<br/><br/><label>Subjects--Index Terms: </label>BETUN BITUMEN 
<br/><br/><label>Universal Decimal Class. No.: </label>622