Hillseam geology and roof instability near outcrop in eastern Kentucky drift mines

Author:	Sames, Gary P.
Additional Authors:	Moebs, Noel N.
Year:	1989
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	9267
Subjects:	Coal mines and mining--Kentucky
	Mine roof control
	Outcrops (Geology)--Kentucky
	Joints (Geology)--Kentucky
Link:	https://hdl.handle.net/2027/mdp.39015078476945