A study of the air and rock vibrations produced by impact testing of mine roof

Author:	Summerfield, P. N.
Year:	1956
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:5251
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	5251
Subjects:	Rock mechanics
	Mine roof control--Testing
	Vibration
	Shock (Mechanics)
Link:	https://hdl.handle.net/2027/mdp.39015086533232