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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
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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)
