How and why fatalities occurred in Pennsylvania bituminous-coal mines during the 5-year period, 1926-1930

Author:	Fene, W. J.
Year:	1931
Document Type:	MAIN
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6505
Series:	Information circular / Bureau of Mines ;
Report Number:	6505
Subjects:	Coal mine accidents--Pennsylvania
	Bituminous coal
	Coal mines and mining--Pennsylvania--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015095085398