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Drilling and blasting, open-cut iron-ore mines, Lake Superior District

Published Year

• 1950-1959 (1)

Subject

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

Author

• Anderson, Floyd G. (1)
• Johnson, John A. (1)
• Stott, Roy G. (1) *

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