Mine roof vibrations from underground blasts, Pilot Knob, Mo.

Additional Authors:	Dick, Richard A., Snodgrass, James J., Siskind, D. E., Quiring, John N.
Year:	1973
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of Interior, Bureau of Mines,
SUDOC:	I 28.23:7764
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7764
Subjects:	Blasting
	Mine roof control--Blast effect
	Mining engineering
Link:	https://hdl.handle.net/2027/mdp.39015078521385