| Author: | Hild, John H. |
|---|---|
| Year: | 1959 |
| Document Type: | N/A |
| SUDOC: | I 28.23:5518 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | R. I. 5518 |
| Subjects: | Lead ores -- Colorado -- San Juan County. |
| Zinc ores -- Colorado -- San Juan County. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38681/ |