Preparation characteristics of coal from Beaver and Lawrence counties, Pa.

Author:	Zeilinger, John E.
Year:	1969
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of Interior, Bureau of Mines,
SUDOC:	I 28.23:7324
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7324
Subjects:	Coal preparation
	Coal--Pennsylvania
Link:	https://hdl.handle.net/2027/mdp.39015078532283