Minerals transportation;  proceedings. 
Edited by Noel W. Kirshenbaum and George O. Argall, Jr. 
 - San Francisco, Calif.,  World Mining  1972. 
 - xl, 421 p.  illus.  25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0879300124 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ores--Transportation--Congresses.