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Roof bolting and dust control

Drill-dust collectors approved by the Bureau of Mines as of January 31, 1956

Published Year

• 1950-1959 (2) *

Subject

• Coal mines and mining--Dust control (2) *
• Mine dusts (1)
• Mine roof bolting (1)

Author

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

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