TY - RPRT TI - Approximate potentiometric surface for the aquifer unit A4, southeastern coastal plain aquifer system of the United States, prior to development AU - V.A. Stricker AU - Walter R. Aucott AU - Robert E. Faye AU - John S. Williams AU - Michael J. Mallory PY - 1985 DO - 10.3133/wri844364 UR - https://pubs.usgs.gov/publication/wri844364 ID - wri844364 ER -