Gilbert, Grover Karl <br/><br/>
Hydraulic-Mining DÚbris in the Sierra Nevada 

 - Washington  Government Printing Office  1917 
 - 154 p. 
<br/><br/> Impreso 
<br/><br/><br/>Ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA