A million tons of anthracite mined without a fatality

Author:	Currie, R. D.
Year:	1934
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:6793
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	6793
Subjects:	Mine safety
	Anthracite coal
	Coal mines and mining--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015077569146