The Accotink schist, Lake Barcroft metasandstone, and Popes Head Formation--keys to an understanding of the tectonic evolution of the northern Virginia Piedmont - Drake, Avery Ala, 1927-; Lyttle, Peter T. (Washington, D.C. : United States Government Printing Office, 1981)
Bibliography: p. 15-16
Keywords: Geology, Stratigraphic -- Cambrian -- Cambrian; Schist -- Virginia, Northern; Sandstone -- Virginia, Northern; Geology -- Virginia, Northern