Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Medina County, Ohio, through southwestern and south-central Pennsylvania to Hampshire County, West Virginia /

Bibliographic Details
Main Authors:	Ryder, Robert T. (Author), Harris, Anita G. (Author), Repetski, John E. (Author)
Format:	Government Document eBook
Language:	English
Published:	[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1992.
Series:	U.S. Geological Survey bulletin ; 1839-K. Evolution of sedimentary basins--Appalachian basin ; ch. K.
Subjects:	Geology > Appalachian Basin. Geology, Stratigraphic > Cambrian. Geology, Stratigraphic > Ordovician. Cambrian Geologic Period. Geology. Geology, Stratigraphic. Ordovician Geologic Period. United States > Appalachian Basin. From 425 to 570 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo66688

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