Underground gob gas drainage during longwall mining

Author:	Schatzel, Steven J.
Additional Authors:	Cervik, Joseph., Finfinger, Gerald L.
Year:	1982
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8644
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	8644
Subjects:	Methane
	Mine gases
	Longwall mining--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015078472001