TY - RPRT TI - Potentiometric surface of the Magothy Aquifer in southern Maryland, September 1998 AU - Stephen E. Curtin AU - David C. Andreasen AU - Frederick K. Mack PY - 2000 DO - 10.3133/ofr0084 UR - https://pubs.usgs.gov/publication/ofr0084 ID - ofr0084 ER -