TY - RPRT TI - The difference between the potentiometric surfaces of the Magothy aquifer of September 1982 and September 1984 in southern Maryland AU - Frederick K. Mack AU - Judith C. Wheeler AU - Stephen E. Curtin AU - David C. Andreasen PY - 1985 DO - 10.3133/wri854337 UR - https://pubs.usgs.gov/publication/wri854337 ID - wri854337 ER -