| Author: | Colby, Donald S. |
|---|---|
| Additional Authors: | Brooks, David B., |
| Year: | 1969 |
| Document Type: | USBI |
| Issuing Agency: | Bureau of Mines, |
| SUDOC: | I 28.27:8422 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 8422 |
| Subject: | Mines and mineral resources--United States |
| Link: | https://hdl.handle.net/2027/mdp.39015078465153 |