Evaluating anchorage testing methods for expansion-type mine roof bolts

Author:	Barry, Anthony J.
Additional Authors:	McCormick, John A.
Year:	1960
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:5649
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	5649
Subjects:	Mine roof bolting
	Mine timbering
Link:	https://hdl.handle.net/2027/mdp.39015078527820