Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Richland County, Ohio to Rockingham County, Virginia /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Ryder, Robert T.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : Denver, CO : U.S. Geological Survey ; For sale by U.S. Geological Survey, Map Distribution, 1991.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-2264.
Subjects:	Geology, Stratigraphic > Cambrian > Charts, diagrams, etc. Geology, Stratigraphic > Ordovician > Charts, diagrams, etc. Geology, Structural > Appalachian Basin > Charts, diagrams, etc. Geology > Appalachian Basin > Charts, diagrams, etc. Geological cross sections > Appalachian Basin. Appalachian Basin > Charts, diagrams, etc. Cambrian Geologic Period. Geological cross sections. Geology. Geology, Stratigraphic. Geology, Structural. Ordovician Geologic Period. United States > Appalachian Basin. From 425 to 570 million years ago Maps. Charts, diagrams, etc.
Online Access:	http://pubs.usgs.gov/imap/i-2264/ https://purl.fdlp.gov/GPO/LPS59660

Evans: Maps File (2nd floor)