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Mining methods and costs at the Piokee mining unit and the Piokee experimental mining project, the Eagle-Picher Co. (Tri-State Mines), Ottawa County, Okla.
| Author: | Elizondo, J. B. |
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| Year: | 1959 |
| Document Type: | USBI |
| Issuing Agency: | United States. Bureau of Mines, |
| Series: | Information circular / United States. Bureau of Mines ; |
| Report Number: | 7930 |
| Subjects: | Lead mines and mining--Oklahoma--Ottawa County |
| Zinc mines and mining--Oklahoma--Ottawa County | |
| Link: | https://hdl.handle.net/2027/mdp.39015078454769 |
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