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Search U.S. government technical reports digitized or harvested by TRAIL.
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3 results returnedTransportation of iron ore, underground mines, Lake Superior district
Drilling and blasting, open-cut iron-ore mines, Lake Superior District
Central Mine Rescue Station, the Cleveland-Cliffs Iron Co. Mather Mine B Shaft, Negaunee, Mich.
Published Year
Subject
- Iron mines and mining--Michigan (3) *
- Iron mines and mining--Minnesota (2)
- Iron mines and mining--Wisconsin (2)
- Mine haulage (1)
- Mine rescue (1)
- Strip mining (1)
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