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Falls of roof :the no. 1 killer in bituminous-coal mines

Federal coal-mine inspection :a decade of progress : annual report for fiscal year 1951 and 10-year review

Published Year

• 1950-1959 (2) *

Subject

• Bituminous coal industry--United States--Safety measures (1)
• Coal mines and mining--Inspection--United States (1)
• Coal mines and mining--United States--Safety measures (1)
• Mine roof control--United States (1)

Author

• Forbes, J. J. (2) *
• Weaver, H. F. (2)
• Ankeny, M. J. (1)
• Back, T. L. (1)

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