Wallace, J.P. <br/><br/>
A study of ore deposits for the practical miner 

 - New York  Hill Publishing Company  1908 
 - 349 p.  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>YACIMIENTOS MINERALES
<br/><br/><label>Universal Decimal Class. No.: </label>A/553.1/W21