| Author: | Elgin, Robert A. |
|---|---|
| Additional Authors: | Volin, M. E. |
| Year: | 1949 |
| Document Type: | N/A |
| SUDOC: | I 28.23:4493 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | R. I. 4493 |
| Subjects: | Mines and mineral resources -- Colorado -- Lake County. |
| Mines and mineral resources -- Colorado -- Leadville. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38516/ |