Camm, Thomas W. <br/><br/>
Simplified cost models for prefeasibility mineral evaluations / 
by Thomas W. Camm. 
 - Washington, D.C. :  U.S. Dept. of Interior,  1991. 
 - 35 p. :  ill. 
 - Information circular / Bureau of Mines, U.S. Dept. of the Interior ;  9298 .
 - Information circular (United States.   9298 .
<br/><br/><label>LCCN: </label>92035075     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Costs--Mathematical models.--Southwest, New