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Method and cost of mining hard specular hematite on the Marquette range, Michigan
| Author: | Eaton, Lucien, |
|---|---|
| Year: | 1929 |
| Document Type: | MAIN |
| SUDOC: | C 22.11:6138 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6138 |
| Subject: | Iron mines and mining--Michigan |
| Link: | https://hdl.handle.net/2027/mdp.39015095078435 |
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