Geology of the Tygarts Valley quadrangle, Kentucky /

Bibliographic Details
Main Author: Sheppard, Richard A.
Corporate Authors: Geological Survey (U.S.), Kentucky Geological Survey
Format: Government Document Map
Language:English
Published: Reston, Va. : U.S. Geological Survey, 1964.
Series:Geologic quadrangle map ; GQ-289.
Subjects:

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