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Mining practices, methods, and costs at mine no. 5 of the Marquette Range, Michigan

Mining practices, methods, and costs at Mine No. 4 of the Marquette Range, Michigan

Published Year

• 1930-1939 (2) *

Subject

• Hematite (1)
• Hematite--Michigan (1)
• Mines and mineral resources--Michigan (1)

Author

• Graff, W. W. (2) *

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