Heinen, H. J.
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. .
91065117
Cyanide process.
Gold--Metallurgy
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. .
91065117
Cyanide process.
Gold--Metallurgy