Carbonizing properties of Letcher County, Ky., coals

Author:	Birge, George W.
Additional Authors:	Wolfson, D. E., Lynch, James H.,
Year:	1964
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:6416
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6416
Subjects:	Coal--Kentucky--Letcher County
	Coal--Carbonization
Link:	https://hdl.handle.net/2027/mdp.39015078527192