Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Fayette County, Ohio to Botetourt County, Virginia / U.S. Department of the Interior, U.S. Geological Survey ; by Robert T. Ryder, John E. Repetski, and Anita G. Harris
Series Titles:
Miscellaneous investigations series ; I-2495 Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-2495.
Variant Titles:
Title from margin of envelope: Stratigraphic framework, Cambrian and Ordovician rocks, central Appalachian Basin, Ohio to Virginia