Safety achievements of a Pennsylvania bituminous-coal mine and of a coal-mine superintendent

Author:	Feehan, Francis.
Year:	1930
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6258
Series:	Information circular / Bureau of Mines ;
Report Number:	6258
Subjects:	Coal mines and mining--Pennsylvania
	Bituminous coal--Pennsylvania
	Mine safety--Pennsylvania
Link:	https://hdl.handle.net/2027/mdp.39015077576273