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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

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)

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