Cox, Dennis P. <br/><br/>
The nature and use of copper reserve and resource data / 
by Dennis P. Cox, Nancy A. Wright, and George J. Coakley 
 - Washington, D.C :  United States Government Printing Office,  1981 
 - v, 20 p. :  graphs ;  29 cm. 
 - Geology and resources of copper deposits Geological Survey professional paper ;  907-F .
<br/><br/>Bibliography: p. 19-20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copper ores--United States<br/>Geology--Survey--United States
<br/><br/><label>Dewey Class. No.: </label>553.430973