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Mining soft hematite at mine no. 2 of the Marquette range, Michigan.
| Author: | Eaton, Lucien, |
|---|---|
| Year: | 1929 |
| Issuing Agency: | U.S. Bureau of Mines, |
| Series: | U.S. Bureau of Mines. Information circular |
| Report Number: | no. 6179 |
| Subject: | Iron mines and mining--Michigan |
| Links: | https://hdl.handle.net/2027/mdp.39015071228699 |
| https://hdl.handle.net/2027/mdp.39015095078732 |
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