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

Roof bolting and dust control

Drill dust-collectors and drilling equipment with integral dust-collecting systems approved by the Bureau of Mines as of January 31, 1961

Analyzing midget impinger dust samples with an electronic counter

Published Year

• 1950-1959 (2)
• 1960-1969 (2)

Subject

• Coal mines and mining--Dust control (1)
• Dust--Measurement (1)
• Iron mines and mining--Michigan (1)
• Iron mines and mining--Minnesota (1)
• Iron mines and mining--Wisconsin (1)
• Mine dusts (1)
• Mine roof bolting (1)
• Mineral industries--Equipment (1)
• Mines and mineral resources--Equipment (1)
• Mining engineering--Equipment (1)
• Strip mining (1)

Author

• Anderson, Floyd G. (4) *
• Evans, R. L. (1)
• Harmon, John P. (1)
• Jacobson, M. (1)
• Johnson, John A. (1)
• Johnson, Leslie. (1)
• Owings, C. W. (1) *
• Stott, Roy G. (1)
• Tomb, Thomas F. (1)
• Westfield, James. (1)

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