Manganese investigations - metallurgical division. Part 1, ore-dressing studies of manganese ores : concentration of manganese ore from the Drum Mountain district, Utah / by S.R. Zimmerly, J.D. Vincent, and C.H. Schack.
|Main Author:||Zimmerly, S. R.|
|Other Authors:||Vincent, J. D. , Schack, C. H.|
[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1942.
> Drum Mountain district.
First of series of reports covering investigations relating to treatment of domestic manganese ore.
12 p. ;
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