Calcium chloride-oxygen leaching and metals recovery from an arsenical copper-cobalt concentrate / 
by G. A. Smyres ... [et al.]. 
 - Pgh. [i.e. Pittsburgh] Pa. :  U.S. Dept. of the Interior, Bureau of Mines,  1986. 
 - 21 p. :  ill 
 - Report of investigations / Bureau of Mines ;  9020 .
 - Report of investigations (United States. Bureau of Mines) ;  9020. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copper--Metallurgy.<br/>Cobalt--Metallurgy.<br/>Leaching.<br/>Calcium chloride.
<br/><br/><label>LC Class. No.: </label>TN23  TN780  / .U43 no. 9020 
<br/><br/><label>Dewey Class. No.: </label>622 s  669/.3�19