Mine roof vibrations from production blasts, Shullsburg Mine, Shullsburg, Wis.

Additional Authors:	Fogelson, David E., Dick, Richard A., Olson, James J., Fletcher, Larry R.
Year:	1970
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of Interior, Bureau of Mines,
SUDOC:	I 28.23:7462
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7462
Subjects:	Mining engineering--Wisconsin--Lafayette County
	Blasting
	Blast effect
Link:	https://hdl.handle.net/2027/mdp.39015078533695