Small portable coal-dust explosion gallery

Author:	Grove, G. W.
Additional Authors:	Freas, G. L.
Year:	1949
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7520
Series:	Information circular / Bureau of Mines ;
Report Number:	7520
Subjects:	Coal mines and mining--Safety measures
	Mine dusts
	Mine explosions
Link:	https://hdl.handle.net/2027/mdp.39015078463505