| Author: | Walker, David D. |
|---|---|
| Year: | 1963 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.23:6334 |
| Series: | Report of investigations/ U.S. Bureau of Mines ; |
| Report Number: | 6334 |
| Subject: | Tungsten ores--Montana |
| Link: | https://hdl.handle.net/2027/mdp.39015078478891 |