TY - RPRT TI - Potentiometric surface of the upper Floridan Aquifer, west-central Florida, September 2003 AU - R.A. Blanchard AU - A.V. Seidenfeld AU - David S. McCulloch PY - 2004 DO - 10.3133/ofr20041314 UR - https://pubs.usgs.gov/publication/ofr20041314 ID - ofr20041314 ER -