Author: | Roby, Robert N. |
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Year: | 1949 |
Document Type: | BMRA |
Issuing Agency: | U.S. Bureau of Mines, |
SUDOC: | I 28.23:4431 |
Series: | Report of investigations / United States. Bureau of Mines ; |
Report Number: | 4431 |
Subjects: | Copper mines and mining--Montana--Stillwater County |
Copper mines and mining--Montana--Sweet Grass County | |
Nickel mines and mining--Montana--Sweet Grass County | |
Nickel mines and mining--Montana--Stillwater County | |
Link: | https://hdl.handle.net/2027/mdp.39015078491290 |