TY - RPRT TI - Age relations between soils and geology in the coastal plain of Maryland and Virginia AU - Helaine W. Markewich AU - M.J. Pavich AU - M.J. Mausbach AU - R.L. Hall AU - R. G. Johnson AU - P.P. Hearn PY - 1987 DO - 10.3133/b1589a UR - https://pubs.usgs.gov/publication/b1589A ID - b1589A ER -