Control of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)

Author:	Campoli, A. A.
Additional Authors:	Cervik, Joseph., Schatzel, Steven J.
Year:	1983
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8841
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	8841
Subjects:	Firedamp
	Coal mines and mining--Safety measures
	Boring
	Mine ventilation
Link:	https://hdl.handle.net/2027/mdp.39015078470757