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Mining and milling methods and costs at the Ash Peak mine of the Veta Mines, Inc., Duncan, Ariz.
| Author: | Lines, Herbert L. |
|---|---|
| Year: | 1940 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7119 |
| Series: | United States. Bureau of Mines. Information circular |
| Report Number: | 7119 |
| Subject: | Silver mines and mining--Arizona--Duncan |
| Link: | https://hdl.handle.net/2027/mdp.39015078534248 |
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