Mertie, John Beaver <br/><br/>
Economic geology of the platinum metals / 
By John B. Mertie, Jr 
 - V, 120 p.: maps (1 fold. in pocket) 
 - Geological Survey professional paper 630 .
<br/><br/>Bibliography: p. 101-115 
<br/><br/><label>LCCN: </label>70-604654 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Platinum ores