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

Roof bolting and dust control

Published Year

• 1950-1959 (2) *

Subject

• Coal mines and mining--Dust control (1)
• Iron mines and mining--Michigan (1)
• Iron mines and mining--Minnesota (1)
• Iron mines and mining--Wisconsin (1)
• Mine roof bolting (1)
• Strip mining (1)

Author

• Anderson, Floyd G. (2) *
• Harmon, John P. (1)
• Johnson, John A. (1)
• Johnson, Leslie. (1)
• Owings, C. W. (1)
• Stott, Roy G. (1)
• Westfield, James. (1) *

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