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Accident Experience: Iron-Ore Mines, Lake Superior District, 1940-43

Published Year

• 1940-1949 (1)

Subject

• Iron mines and mining -- Accidents -- Michigan. (1)
• Iron mines and mining -- Accidents -- Minnesota. (1) *
• Iron mines and mining -- Accidents -- Wisconsin. (1)

Author

• Cash, Frank E. (1) *

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