1
by Zafar, Jaffrey S.
Lexington, Ky. : Kentucky Geological Survey, University of Kentucky, 1979
Lexington, Ky. : Kentucky Geological Survey, University of Kentucky, 1979
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2
by Potter, Paul Edwin
Lexington, Ky. : Kentucky Geological Survey, University of Kentucky, 1984
Other Authors:
“...Zafar, Jaffrey S....”Lexington, Ky. : Kentucky Geological Survey, University of Kentucky, 1984
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