Author: | Gardner, E. D. |
---|---|
Year: | 1935 |
Document Type: | MAIN |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:6842 |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 6842 |
Subjects: | Silver |
Gold | |
Link: | https://hdl.handle.net/2027/mdp.39015095086263 |