Directory, Montana metal and coal mines.
|Corporate Author:||Montana Bureau of Mines and Geology.|
Butte : State School of Mines, 1919.
Coal mines and mining
Coal mines and mining /
Coal mines and mining / Montana /
Mineral industries > Mineral industries / Montana > Mineral industries / Montana / Directories.
"Supplementary to a report on the various mining districts of Montana which is now being prepared by the Geological Department of the State Bureau of Mines and Metallurgy."
At head of title: The Montana State Bureau of Mines and Metallurgy.
30 p. ;
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|Full view NO1-3 1919-1920||The Ohio State University|