Henderson, Charles W. <br/><br/>
Gold, silver, copper and Lead in South Dakota and Wyoming in 1915 :   Mines report. 

 - Washington, D.C.  Government Printing Office  1916 
 - pp. 343-356 
<br/><br/> Impreso 
<br/><br/><br/>Ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA