Comparisons between cross-measure boreholes and surface gob holes

Author:	Goodman, Tobias W.
Additional Authors:	Cervik, Joseph.
Year:	1986
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:9013
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	9013
Subjects:	Boring--Pennsylvania--Ebensburg Region
	Longwall mining--Pennsylvania--Ebensburg Region
	Coalbed methane drainage--Pennsylvania--Ebensburg Region--Testing
Link:	https://hdl.handle.net/2027/mdp.39015078489492