Author: | Ebbley, Norman E. |
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Year: | 1949 |
Document Type: | OSUU |
Issuing Agency: | United States Dept. of the Interior, Bureau of Mines, |
Series: | Report of investigations, |
Report Number: | R. I. 4518. |
Subjects: | Mines and mineral resources--Colorado--Leadville Region |
Mine shafts | |
Mines and mineral resources--Colorado--Leadville region | |
Links: | https://hdl.handle.net/2027/mdp.39015078495861 |
no.4511-4520 1949 |