| Author: | Read, D. F. |
|---|---|
| Year: | 1952 |
| Document Type: | BMRA |
| Issuing Agency: | United States Department of the Interior, Bureau of Mines, |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 4827 |
| Link: | https://hdl.handle.net/2027/mdp.39015078492744 |