Geologic map of the Martin Quadrangle, Floyd County, Kentucky
| Other Authors: | |
|---|---|
| Format: | Map |
| Language: | English |
| Published: |
[Reston, Va.] :
U.S. Geological Survey,
1966
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| Series: | U.S.G.S. Geologic Quadrangle ;
GQ-563 |
| Subjects: |