| Author: | Young, William Elwin. |
|---|---|
| Year: | 1966 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:8303 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 8303 |
| Subject: | Manganese ores--Colorado--San Juan County |
| Link: | https://hdl.handle.net/2027/mdp.39015078464313 |