Rickard, T.A. <br/><br/>
The stamp milling of gold ores 

 - New York  The Engineering and Mining Journal  1903 
 - 260 p.  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERALES<br/>MINERIA<br/>MOLIENDA<br/>ORO
<br/><br/><label>Universal Decimal Class. No.: </label>A/622.79/R53