This is such a good video about the Floridan aquifer (by Florida Geological Survey), I thought I would share it (though it ends prematurely).
http://www.youtube.com/watch?v=htBV_ZgoLmo&feature=related
Here is a video of how the aquifer was formed, recharge, saltwater intrusion etc. http://www.youtube.com/watch?v=AFVUSR7QRSY&feature=related (by SJRWMD).
Kathleen McKee
Research Coordinator
UF Water Institute
570 Weil Hall
PO Box 116601
Gainesville, FL 32611-6601
(352) 392-5893 x2114