Hillseam geology and roof instability near outcrop in eastern Kentucky drift mines

Author: Sames, Gary P.
Additional Authors: Moebs, Noel N.
Year: 1989
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 9267
Subjects: Mine roof control
Outcrops (Geology)--Kentucky
Coal mines and mining--Kentucky
Joints (Geology)--Kentucky
Link: https://hdl.handle.net/2027/mdp.39015078476945

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