TY - RPRT TI - Map showing the potentiometric surface of the Magothy aquifer in southern Maryland, September 1983 AU - Frederick K. Mack AU - Judith C. Wheeler AU - Stephen E. Curtin PY - 1985 DO - 10.3133/wri854000 UR - https://pubs.usgs.gov/publication/wri854000 ID - wri854000 ER -