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Reducing accidents from falls of roof in coal mines

Falls of coal and rock on man-trips in bituminous-coal mines

Published Year

• 1930-1939 (2)

Subject

• Coal mine accidents (2) *
• Mine safety (2)
• Mine accidents (1)

Author

• Owings, C. W. (2) *
• Paul, J. W. (1)
• Tomlinson, H. (1)

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