Roof control of stress-relief jointing near outcrops in central Appalachian drift coal mines

Author:	Sames, Gary P.
Additional Authors:	Moebs, Noel N.
Year:	1992
Document Type:	MAIN
SUDOC:	I 28.27:9313
Series:	Information circular / Bureau of Mines ;
Report Number:	9313
Subjects:	Coal mines and mining--Appalachian Region
	Mine roof control
	Outcrops (Geology)--Appalachian Region
	Joints (Geology)--Appalachian Region
Link:	https://hdl.handle.net/2027/mdp.39015095077387