A guide to geologic features in coal mines in the northern Appalachian coal basin

Author:	Jeran, P. W.
Additional Authors:	Jansky, Jacqueline H.
Year:	1983
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8918
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	8918
Subjects:	Coal--Geology--Appalachian Region
	Coal mines and mining--Appalachian Region--Safety measures
	Ground control (Mining)--Appalachian Region
Link:	https://hdl.handle.net/2027/mdp.39015078462903