Heinen, H. J. <br/><br/>
Processing gold ores using heap leach-carbon adsorption methods / 
by H. J. Heinen, D. G. Peterson, and R. E. Lindstrom. 
 - [Washington] :  U.S. Dept. of the Interior, Bureau of Mines,  1978. 
 - [3], 21 p. :  ill. 
 - Information circular ;  8770 .
 - United States.  Bureau of Mines.  Information circular - Bureau of Mines ;  8770. .
 - Information cirlular (United States. Bureau of Mines) ;  8770 .
<br/><br/><label>LCCN: </label>91055138     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cyanide process.<br/>Gold ores.<br/>Gold--Metallurgy