Cutter roof failure :an overview of the causes and methods for control

Author:	Hill, John L.
Year:	1986
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:9094
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	9094
Subjects:	Mine roof control
	Rock deformation
Link:	https://hdl.handle.net/2027/mdp.39015078464735