Heikes, V. C. <br/><br/>
Gold, silver, copper, lead and zinc in Nevada in 1916 :   Mines Report. 

 - Washington, D.C.  Government Printing Office  1918 
 - pp. 457-500 
<br/><br/> Impreso 
<br/><br/><br/>Ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA