TY - RPRT TI - Map showing the potentiometric surface of the Magothy aquifer in southern Maryland, August 1980 AU - Frederick K. Mack AU - Judith C. Wheeler AU - Stephen E. Curtin PY - 1981 DO - 10.3133/ofr81633 UR - https://pubs.usgs.gov/publication/ofr81633 ID - ofr81633 ER -