Heinen, H. J. <br/><br/>
Recovery of gold for arsenopyrite concentrates by cyanidation-carbon adsorption / 
by H. J. Heinen, G. E. McClelland, and R. E. Lindstrom. 
 - [Washington] :  U.S. Dept. of the Interior, Bureau of Mines,  1980. 
 - 10 p. :  ill. 
 - Report of investigations ;  8458 .
 - United States.  Bureau of Mines.  Report of investigations ;  8458 .
 - Report of investigations (United States. Bureau of Mines) ;  8458. .
<br/><br/><label>LCCN: </label>91065117     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cyanide process.<br/>Gold--Metallurgy