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Falls of roof and coal in bituminous coal-mines

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

Methane control in United States coal mines, 1972

Published Year

• 1920-1929 (1)
• 1930-1939 (1)
• 1970-1979 (1)

Subject

• Coal mine accidents (3) *
• Mine accidents (3) *
• Bituminous coal (1)
• Bituminous coal mines and mining (1)
• Bituminous coal--Pennsylvania (1)
• Coal mine accidents--Statistics (1)
• Methane (1)
• Mine explosions (1)
• Mine safety (1)

Author

• Adams, William W. (1)
• Deul, Maurice. (1)
• Owings, C. W. (1)
• Skow, Milford L. (1)
• Zabetakis, Michael George, (1)

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