TY - RPRT TI - Potentiometric surface of the Upper Floridan aquifer, west-central Florida, May 2005 AU - A.G. Ortiz AU - R.A. Blanchard PY - 2006 DO - 10.3133/ofr20061009 UR - https://pubs.usgs.gov/publication/ofr20061009 ID - ofr20061009 ER -