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Roof bolting and dust control

Published Year

• 1950-1959 (1)

Subject

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

Author

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

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