VON BERNEWITZ, M. W. <br/><br/>
HANDBOOK FOR PROSPECTORS AND OPERATORS OF SMALL MINES 

 - 4TH ED. 
 - Estados Unidos  MCGRAW HILL  1950 NEW YORK 
 - 530 
<br/><br/><label>LCCN: </label>14395 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PROSPECCION
<br/><br/><label>Dewey Class. No.: </label>622.1