Estimate of known recoverable reserves of coking coal in Clearfield County, Pa.

Additional Authors:	Dowd, J. J., Abernethy, R. F., Reynolds, D. A., Blaylock, D. W.
Year:	1955
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior,
Series:	Report of investigations / Bureau of Mines ;
Report Number:	5166
Subjects:	Coking coal
	Coal--Pennsylvania
Link:	https://hdl.handle.net/2027/mdp.39015095082148