The combined effects of friction and suspension in bolting bedded mine roof

Author:	Panek, Louis Anthony,
Year:	1962
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:6139
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6139
Subjects:	Mine roof control
	Mine roof bolting
Link:	https://hdl.handle.net/2027/mdp.39015078523753