Recent advances in mining and processing low-grade and submarginal mineral deposits :  Centre for Natural Resources, Energy and Transport United State, New York. 

 - New York :  Pergamon Press,  1976. 
 - viii, 192 p., 31 leaves of plates :  ill. ;  30 cm. 
<br/><br/> Papers of a conference held in New York, Apr. 3-7, 1972. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0080210511 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining engineering--Congresses.<br/>Ore deposits--Congresses.<br/>Metallurgy--Congresses.