Geologic Map of the Shenandoah National Park Region, Virginia

Geologic Map of the Shenandoah National Park Region, Virginia.  

Southworth, Scott, Aleinikoff, J.N., Bailey, C.M., Burton, W.C., Crider, E.A., Hackley, P.C., Smoot, J.P., and Tollo, R.P., 2009, Geologic map of the Shenandoah National Park region Virginia: U.S. Geological Survey Open-File Report 2009–1153, 96 p., 1 plate, scale 1:100,000.  https://pubs.usgs.gov/of/2009/1153/