TY - RPRT TI - Potentiometric surface of the upper Floridan aquifer, west-central Florida, September 1990 AU - R. A. Mularoni AU - Lari A. Knochenmus PY - 1991 DO - 10.3133/ofr9190 UR - https://pubs.usgs.gov/publication/ofr9190 ID - ofr9190 ER -