Stemming in metal mines.

Author:	Agnew, Wing G.
Additional Authors:	Johnson, John A., Mosier, McHenry.
Year:	1942
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:3646
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3646
Subjects:	Blasting
	Mine safety
Link:	https://hdl.handle.net/2027/mdp.39015078518266