Geology of the Elva quadrangle, Kentucky /
| Main Author: | |
|---|---|
| Corporate Authors: | , |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Geological Survey,
1963
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| Series: | Geologic quadrangle map ;
GQ-230 |
| Subjects: |