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Milling methods and costs at the Homestake Mine, Lead, S. Dak.
| Author: | Clark, Allan J. |
|---|---|
| Year: | 1931 |
| Document Type: | MAIN |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| SUDOC: | C 22.11:6408 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6408 |
| Subject: | Mines and mineral resources--South Dakota--Lead |
| Link: | https://hdl.handle.net/2027/mdp.39015095085711 |
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