Great Falls Park, Virginia
Great Falls Park, Virginia, official map and guide
"*GPO: 1988--201-941/80052. Reprint 1988." Relief shown by shading. Includes text and location map. Text and ill. (some col.) on verso. Available also through the Library of Congress Web site as a raster...
United States. National Park Service
John W. Flannagan Dam & Reservoir
Panel title: John W. Flannagan Dam & Reservoir, Virginia. Includes indexed table of recreation facilities and regional map. Text, col. ill., and map of "Big Sandy River Basin" on verso. Available also...
United States. Army. Corps of Engineers. Huntington District