Milling methods in the tri-state zinc district / by Will H. Coghill and C.O. Anderson.
|Main Author:||Coghill, Will H. 1876-|
|Other Authors:||Anderson, Carl Otto, 1896-|
[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1922.
Zinc > Metallurgy.
Zinc mines and mining.
"Progress of Investigation by U.S. Bureau of Mines, in cooperation with Missouri School of Mines and Metallurgy and Miami (Okla) School of Mines." -t.p.
14 p. ;
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