| Author: | Thoenen, J. R. |
|---|---|
| Additional Authors: | Windes, S. L. |
| Year: | 1938 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 3431 |
| Link: | https://hdl.handle.net/2027/mdp.39015078492447 |