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Hillseam geology and roof instability near outcrop in eastern Kentucky drift mines
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Published Year
1980-1989 (1)
Subject
Coal mines and mining--Kentucky (1)
Joints (Geology)--Kentucky (1) *
Mine roof control (1)
Outcrops (Geology)--Kentucky (1)
Author
Moebs, Noel N. (1)
Sames, Gary P. (1)
