By C. Scott Southworth, David K. Brezinski, Randall C. Orndorff, Peter G. Chirico, and Kerry M. Lagueux
Prepared in cooperation with the National Park Service, Maryland Geological Survey, West Virginia Geological and Economic Survey, and Virginia Division of Mineral Resources
See also Open-File Report 01-188-B
U.S. Geological Survey Open-File Report 01-188-A consists of a geologic map and cross section in Adobe Portable Document Format (PDF) and geologic map data in ArcInfo export format. Download a copy of Adobe Acrobat Reader version 5.0 for free. ArcExplorer GIS viewer software is provided herein.
Geologic Map (3.6 MB PDF file)
This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although all data and software released with this open file have been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and related materials and (or) the functioning of the software.