Photographic observation of quarry blasting

Author:	Petkof, Benjamin.
Additional Authors:	Duvall, Wilbur I., Atchison, Thomas C.
Year:	1961
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:5849
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	5849
Subjects:	Quarries and quarrying
	Blasting
Link:	https://hdl.handle.net/2027/mdp.39015078529131