Storage of explosives in underground mines of the Lake Superior District

Author:	Cash, Frank E.
Year:	1946
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7343
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	7343
Subjects:	Iron mines and mining--Michigan
	Iron mines and mining--Wisconsin
	Iron mines and mining--Minnesota
	Mine explosives
Link:	https://hdl.handle.net/2027/mdp.39015074127641