TY - BOOK AU - Pavich,M.J. ED - Geological Survey (U.S.) TI - Investigations of the characteristics, origin, and residence time of the Upland residual mantle of the Piedmont of Fairfax County, Virginia U1 - 551.30209755291 PY - 1989/// CY - Washington, D.C. PB - U.S. Government Printing Office, U.S. Geological Survey KW - Weathering KW - Virginia KW - Fairfax County KW - Saprolites KW - Soils N1 - Two folded maps and one folded plate in pocket ER -