Prospects for mineral resource assessments on public lands :  proceedings of the Leesburg workshop /  
edited by Simon M. Cargill and Steven B. Green. 
 - [United States]:   [U. S. Geological Survey],   1986.  
 - xiii, 330 p. :  maps, tables ;  26 cm. 
 -  980 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--United States<br/>Public lands--United States<br/>Mines and mineral resources--Canada<br/>Public lands--Canada
<br/><br/><label>Dewey Class. No.: </label>333.850973