Williams, Roy E.,  1938-. <br/><br/>
Waste production and disposal in mining, milling, and metallurgical industries/ 
Roy E. Williams. 
 - San Francisco:  Miller Freeman Publications,  1975. 
 - xx, 489 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0879300353 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries--Waste disposal<br/>Mineral industries--By--products