TY - RPRT TI - Characteristics, origin, and residence time of saprolite and soil of the Piedmont Upland, Virginia, U.S.A., and model testing using cosmogenic 10Be AU - M.J. Pavich PY - 1990 DO - 10.1016/0009-2541(90)90148-z UR - https://pubs.usgs.gov/publication/70016270 ID - 70016270 ER -