Mine roof vibrations from underground blasts

Additional Authors:	Dick, Richard A., Condon, Joseph L., Fogelson, David E., Olson, James J., Hendrickson, Arlo D.
Year:	1970
Document Type:	USBM
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:7330
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7330
Subjects:	Blasting
	Mining engineering
	Blast effect
Link:	https://hdl.handle.net/2027/mdp.39015078540963