Determining the source of longwall gob gas :Lower Kittanning Coalbed, Cambria County, PA

Author:	Diamond, W. P.
Additional Authors:	Ulery, J. P., Kravits, S. J.
Year:	1992
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:9430
Series:	Report of investigations / Bureau of Mines ;
Report Number:	9430
Subjects:	Firedamp--Pennsylvania--Cambria County
	Coal mine waste--Pennsylvania--Cambria County
	Longwall mining--Pennsylvania--Cambria County
	Mine ventilation
Links:	no.9430 1992
	https://hdl.handle.net/2027/mdp.39015077558677