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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Bibliographic Details
Main Author: Ryder, Robert T.
Corporate Author: Geological Survey (U.S.)
Format: Government Document Electronic Map eBook
Language:English
Published: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2012.
Series:Scientific investigations map ; 3172.
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