| Author: | Hazen, Scott W., Jr. |
|---|---|
| Year: | 1949 |
| Document Type: | N/A |
| SUDOC: | I 28.23:4508 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | R. I. 4508 |
| Subjects: | Lead mines and mining -- Colorado -- Ouray County. |
| Lead mines and mining -- Colorado -- San Juan County. | |
| Silver mines and mining -- Colorado -- Ouray County. | |
| Silver mines and mining -- Colorado -- San Juan County. | |
| Zinc mines and mining -- Colorado -- Ouray County. | |
| Zinc mines and mining -- Colorado -- San Juan County. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38518/ |