Fred V Carrillo <br/><br/>
Recovery of secondary copper and zinc in the United States / 
by Fred V Carrillo, Mark H. Hibpshman and Rodney D. Rosenkranz 
 - Washington, D.C. :  U.S. Department of the Interior,  1974 
 - 58 p. ;  29 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copper industry and trade--United States--Statistics<br/>Copper alloys--United States--Statistics<br/>Manufacturing industries--United States--Statistics
<br/><br/><label>Dewey Class. No.: </label>338.4767338420973