Potentiometric Surface of the Upper Floridan Aquifer in the Ichetucknee Springshed and Vicinity, Northern Florida, September 2003 [USGS_OFR_2006_1031]
The Upper Floridan aquifer is a highly permeable unit of carbonate rock
extending beneath most of Florida and parts of southern Alabama, Georgia, and
South Carolina. The high permeability is due in ...