McClelland, G. E.
Improvements in heap leaching to recover silver and gold from low-grade resources / G.E McClelland and J.A. Eisele. - [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1982. - ii, 26 p. : ill. ; 27 cm. - Report of investigations ; 8612. . - Report of investigations (United States. Bureau of Mines) ; 8612 .
81607060
Gold ores.
Silver ores.
Leaching.
Cyanide process.
Improvements in heap leaching to recover silver and gold from low-grade resources / G.E McClelland and J.A. Eisele. - [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1982. - ii, 26 p. : ill. ; 27 cm. - Report of investigations ; 8612. . - Report of investigations (United States. Bureau of Mines) ; 8612 .
81607060
Gold ores.
Silver ores.
Leaching.
Cyanide process.