1. Geology and mineral resources of the Lynchburg quadrangle, Virginia;Brown;Bull. Va. Div. Miner. Resour.,1958
2. Geology and mineral deposits of the James River-Roanoke River manganese district, Virginia;Espenshade;U.S. Geol. Surv. Bull.,1954
3. Furcron , A. S. James River iron and marble belt, Virginia, Bull. Va. Geol. Surv 39 1935
4. Deformation in portions of the distal continental margin to ancestral North America: An example from the westernmost internal zone, central and southern Appalachian orogen, Virginia;Patterson;Tectonics,1989
5. Patterson , J. G. Tectonic evolution of distal portions of the late Proterozoic-early Paleozoic continental margin to ancestral North America Blacksburg 1986