Geologic map of the Ferncliff and Louisa quadrangles, Louisa, Fluvanna, and Goochland Counties, Virginia: U.S. Geological Survey Scientific Investigations Map 3429, 1 sheet, scale 1:24,000
Burton, W.C., Harrison, R.W., Malenda, H.F., Pazzaglia, F.J., and Crider, E.A., Jr.
2019
U.S. Geological Survey Scientific Investigations Map 3429