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Transportation of iron ore, open-cut mines, Lake Superior district

Published Year

• 1940-1949 (1) *

Subject

• Iron mines and mining--Lake States--Equipment and supplies (1)
• Mine haulage--Equipment and supplies (1) *
• Strip mining--Lake States--Equipment and supplies (1)

Author

• Cash, Frank E. (1)
• Johnson, John A. (1)

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