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Drainage of methane from the overlying Pocahontas no. 4 coalbed from workings in the Pocahontas no. 3 coalbed

Underground gob gas drainage during longwall mining

Published Year

• 1970-1979 (1)
• 1980-1989 (1)

Subject

• Methane (2) *
• Coal mines and mining (1)
• Longwall mining--Safety measures (1)
• Mine gases (1)
• Mine ventilation (1)

Author

• Finfinger, Gerald L. (2) *
• Cervik, Joseph, (1)
• Cervik, Joseph. (1)
• Schatzel, Steven J. (1)

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