| Author: | Berger, L. B. |
|---|---|
| Year: | 1947 |
| Document Type: | BMRA |
| Issuing Agency: | United States Department of the Interior, Bureau of Mines, |
| Series: | Reports of Investigation / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 4187 |
| Link: | https://hdl.handle.net/2027/mdp.39015078483701 |