Product Description Page Title: Geology of the Chesapeake and Ohio Canal National Historical Park and Potomac River Corridor, District of Columbia, Maryland, West Virginia, and Virginia Author(s): Southworth, C.S., Brezinski, D.K., Orndorff, R.K., Chirico, P.G., and Lagueux, K. Publishing Organization: U.S. Geological Survey Publication Series and Number: Open-File Report OF-2001-188 Publication Date: 2001 Map Scale: 1:24,000 Cross Section: Yes Northernmost Latitude: 39°43' 1"N (39.7170) Southernmost Latitude: 38°51'40"N (38.8610) Easternmost Longitude: 77° 0'36"W (-77.0100) Westernmost Longitude: 78°47' 6"W (-78.7850) Publication Format: Digital Online:         Access to GIS map files:                 Map data This Product Is Available, Please note the publication series and number, and then contact: U.S. Geological Survey Postal Address: USGS Information Services Box 25286 Denver, CO 80225 Voice Telephone: (303) 202-4700 or 1-888-ASK-USGS Facsimile Telephone: (303) 202-4693 If any fields in this record contain errors, please send us your Has this record been U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html Database project personnel. Last modified: 14-May-2012