Ruark, J. R. <br/><br/>
Gas combustion retorting of oil shale under Anvil Points lease agreement  stage II 

 - Washington  Bureau of Mines  1971 
 - 74 p.  il  26 cm. 
 - RI  7540 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>oil shale
<br/><br/><label>Subjects--Index Terms: </label>Gas-retorts 
<br/><br/><label>Universal Decimal Class. No.: </label>66