| Author: | Fieldner, Arno Carl, |
|---|---|
| Additional Authors: | Emery, Alden Hayes, |
| Year: | 1932 |
| Document Type: | USBI |
| SUDOC: | C 22.11:6637 |
| Series: | Information Circular / Bureau of Mines ; |
| Report Number: | 6637 |
| Subject: | Mineral industries--United States |
| Link: | https://hdl.handle.net/2027/mdp.39015077564774 |