Geologic cross section C-C' through the Appalachian basin from Erie County, north-central Ohio, to the Valley and Ridge Province, Bedford County, south-central Pennsylvania /
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| Main Author: | |
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| Format: | Government Document Map |
| Language: | English |
| Published: |
[Reston, Va.] : Denver, Colo. :
U.S. Dept. of the Interior, U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services,
2012.
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| Series: | Scientific investigations map;
3172. |
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