Ashley, Roger P. <br/><br/>
Relation Between Volcanism And Ore Deposits Ata Goldfield, Nevada 

<br/><br/> U.S. Geological Survey 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Placer<br/>Oro<br/>Volcanismo
<br/><br/><label>Subjects--Index Terms: </label>Mineral/es: Oro