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5 results returnedMining methods and costs at the Montreal Mine, Montreal, Wis.
Storage of explosives in underground mines of the Lake Superior District
Investigation of the iron-bearing formation of the western Gogebic range, Iron County, Wis.,
Transportation of iron ore, underground mines, Lake Superior district
Drilling and blasting, open-cut iron-ore mines, Lake Superior District
Published Year
Subject
- Iron mines and mining--Wisconsin (5) *
- Iron mines and mining--Michigan (3)
- Iron mines and mining--Minnesota (3)
- Iron ores--Wisconsin (1)
- Mine explosives (1)
- Mine haulage (1)
- Strip mining (1)
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