Geologic map of the Clay City quadrangle, Powell and Estill Counties, Kentucky
| Main Author: | |
|---|---|
| Corporate Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Geological Survey,
1967.
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| Series: | Geologic quadrangle map ;
GQ-663. |
| Subjects: |