Directory of Montana mining properties.
Directory of Montana mining properties.
Compiled by Work projects administration, Mineral resources survey. (O.P. 65-1-91-24 W.P. 2986) In cooperation with the Mining association of Montana.
- Butte, Mont., Montana school of mines, 1940.
- vi, 135 p. 29 pl. (maps, 1 fold.) 28 cm.
- Montana. State bureau of mines and geology. Memoir no. 20 .
At head of title: State of Montana, Bureau of mines and geology, Francis A. Thomson, director ... Photoprinted. Some plates accompanied by descriptive letterpress.
gs 40000201
Mines and mineral resources--Montana.
Mineral industries--Directories.
TN12 / .M55 1940
622.09786
At head of title: State of Montana, Bureau of mines and geology, Francis A. Thomson, director ... Photoprinted. Some plates accompanied by descriptive letterpress.
gs 40000201
Mines and mineral resources--Montana.
Mineral industries--Directories.
TN12 / .M55 1940
622.09786