Geologic map of the Stephens City quadrangle, Clarke, Frederick, and Warren Counties, Virginia / by David J. Weary, Randall C. Orndorff, and Wilma Alemán-González ; U.S. Department of the Interior, U.S. Geological Survey
Series Titles:
U.S. Geological Survey open-file report ; 2006-1173 U.S. Geological Survey open-file report ; 2006-1173.
Mode of access: Internet from the USGS web site. Address as of 9/17/07: http://pubs.usgs.gov/of/2006/1173/; current access via PURL. System requirements: PC with Internet access, Adobe Acrobat Reader 5.0 or higher, and ArcMap 9.0 or higher.
General Note:
Title from map image (... geology.pdf) file (viewed on Oct. 6, 2006).