1. Geologic map index of Virginia Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : The Survey, 1990 Resource Type: Map Edition: Revised and updated / Access & Availability: Loading
2. Geologic map of large rock block slides at Sinking Creek Mountain, Appalachian Valley and Ridge Province, southwestern Virginia, and comparison with the Colorado Front Range Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
3. Geologic map of the Robertson River igneous suite, Blue Ridge province, northern and central Virginia Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
4. Geologic map of the Washington West 30' x 60' quadrangle, Maryland, Virginia, and Washington D.C. Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Washington, D.C.] : U.S. Department of the Interior, U.S. Geological Survey, 2017 Resource Type: Map Access & Availability: Loading