Interactions between multiple seam longwall and room-and-pillar operations :a case study in Boone County, WV

Author:	Chekan, G. J.
Additional Authors:	Matetic, Rudy J.,
Year:	1990
Document Type:	MAIN
SUDOC:	I 28.23:
Series:	Report of investigations / Bureau of Mines, United States Department of the Interior ;
Report Number:	9299
Subjects:	Longwall mining--Environmental aspects--West Virginia--Boone County
	Pillaring (Mining)--Environmental aspects--West Virginia--Boone County
	Ground control (Mining)--West Virginia--Boone County
	Ground control (Mining)--Case studies
Link:	https://hdl.handle.net/2027/mdp.39015095271717