TY - RPRT TI - Potentiometric surface of the upper Floridan Aquifer in the St. Johns River Water Management District and vicinity, May 1995 AU - Leel Knowles AU - A. M. O’Reilly AU - G. G. Phelps AU - L. A. Bradner PY - 1995 DO - 10.3133/ofr95461 UR - https://pubs.usgs.gov/publication/ofr95461 ID - ofr95461 ER -