Good rock-dusting and ventilation practice in two Alabama coal mines

Author:	Cash, Frank E.
Year:	1932
Document Type:	MAIN
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6578
Series:	Information circular / United States Department of Commerce, Bureau of Mines ;
Report Number:	6578
Subjects:	Mine ventilation--Alabama
	Coal mines and mining--Dust control--Alabama
	Coal mines and mining--Alabama--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015095085570