Stemming in metal mines :progress report 7

Author:	Agnew, Wing, G.
Year:	1943
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:3725
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3725
Subjects:	Mines and mineral resources
	Explosives--Testing
Link:	https://hdl.handle.net/2027/mdp.39015078487322