Practical placer mining / 
editors, Louis W. Cope and Lee R. Rice. 
 - Littleton, Col. :  Society for Mining, Metallurgy, and Exploration,  1992. 
 - v, 106 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0873351053 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydraulic mining.
<br/><br/><label>Dewey Class. No.: </label>622.2/927/P895