Fence diagram and geologic column of Pennsylvanian and Upper Mississippian rocks of the Upper Tradewater basin, Kentucky
PSZJBL
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| Published: |
Washington, D C : United States Department of Interior,
1972
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| Subjects: |
PSZJBL
| Format: | |
|---|---|
| Published: |
Washington, D C : United States Department of Interior,
1972
|
| Subjects: |