Explosions in Alabama coal mines

Author:	Cash, Frank E.
Year:	1941
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7163
Series:	Information circular / Bureau of Mines ;
Report Number:	7163
Subjects:	Mine explosions--Alabama
	Coal mine accidents--Alabama
	Coal mines and mining--Alabama--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015078533950