Browse TRAIL Inventories

Mining soft hematite at mine no. 2 of the Marquette range, Michigan.

Safety in the iron mines of the Menominee Range, Michigan

Storage 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.


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