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Removing methane (degasification) from the Pocahontas No. 4 coalbed in southern West Virginia
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Published Year
1960-1969 (1)
Subject
Mehtane (1)
Mine Ventilation (1) *
Mine ventilation (1)
Author
Ackerman, M. J. (1)
Merritts, William M. (1)
Mokwa, L. P. (1)
Waine, C. R. (1)
