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Search U.S. government technical reports digitized or harvested by TRAIL.
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7 results returnedStorage of explosives in underground mines of the Lake Superior District
Transportation of iron ore, underground mines, Lake Superior district
Conveyor systems in underground iron-ore mines, Lake Superior district
Carbide insert bit drilling at the Cleveland-Cliffs Iron Co. mines, Ishpeming, Mich.
Drilling and blasting, open-cut iron-ore mines, Lake Superior District
Ventilation-air heating plants of the Menominee Range
Central Mine Rescue Station, the Cleveland-Cliffs Iron Co. Mather Mine B Shaft, Negaunee, Mich.
Published Year
Subject
- Iron mines and mining--Michigan (7) *
- Iron mines and mining--Minnesota (4)
- Iron mines and mining--Wisconsin (3)
- Carbide cutting tools (1)
- Conveying machinery (1)
- Drilling and boring machinery (1)
- Mine explosives (1)
- Mine haulage (1)
- Mine rescue (1)
- Mine ventilation (1)
- Strip mining (1)
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