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Lecture and demonstration on flame propagation and permissable and explosion-proof electrical equipment
Removing methane (degasification) from the Pittsburgh coalbed in northern West Virginia
Removing methane (degasification) from the Pocahontas No. 4 coalbed in southern West Virginia
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Published Year
1960-1969 (3)
Subject
Coal preparation (1)
Coal--West Virginia (1)
Degassing of coal (1)
Electric apparatus and appliances--Safety measures (1)
Flame (1)
Mehtane (1)
Methane (1)
Mine Ventilation (1)
Mine ventilation (1)
Author
Merritts, William M. (3) *
Ackerman, M. J. (1)
Engel, Hal H. (1)
Mokwa, L. P. (1)
Waine, C. R. (1)
