Historical summary of coal-mine explosions in the United States

Author:	Humphrey, Hiram Brown,
Year:	1959
Document Type:	USBI
Issuing Agency:	U.S. Govt. Print. Off.,
SUDOC:	I 28.27:7900
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	7900
Subjects:	Coal mines and mining--United States
	Mine explosions
Link:	https://hdl.handle.net/2027/mdp.39015078454843