TABLE OF CONTENTS (CONTINUED)

 H aw thorn G roup (undifferentiated) .......................................... ......................... ................ 48
 P liocene and younger Series .............................................................................. ...... ................ 49
 Post-H aw thorn G roup sedim ents ............................................... ............................ ................ 49
 Tamiami Formation ............................... .. ............ .............................. .. 50
 C yp ressh ead F orm action .............................................................................. ...... ................ 50
 C aloosahatchee Form ation ..................................................... ............................................... 50
 F ort T hom pson Form ation ..................................................... ............................................... 5 1
 H ydrostratigraphy ...................................... ............................................................................... 52
 In tro d u ctio n .................. ................................................................. ............................................. 5 2
 H ydrogeological properties ............................................................................. ...... ................ 52
 Surficial aquifer sy stem ............... ...... ............ .................. .................................................... 53
 Intermediate aquifer system/intermediate confining unit ..............................................................57
 Floridan aquifer system ............. ........................................................................... 66
 M iddle Floridan confining unit...................................................... ............................................... 75
Sum m ary .......................................................................................................................... 79
References ............................................................................... 81



 FIGURES

F figure 1. Study area. ............................................................................................................. . ..... ..... 4
Figure 2. G eologic m ap of study area ........................................... ............................................. 6
Figure 3. Structural features w within the study area ............................................................. ................ 8
Figure 4. Environm ental geology of the study area ............................................................ ................9...
Figure 5. Shaded relief topography of the study area....................................................................... 12
Figure 6. G eom orphology of the study area ......................................................................... ............... 13
Figure 7. Shaded topographic relief of the southern extent of the Lake Wales Ridge. ........................ 16
Figure 8. Generalized correlation between lithostratigraphic units and the surface of the FAS............. 23
Figure 9. Explanation (legend for cross sections)............................................................. ................. 25
Figure 10. Characteristic gam m a-ray log responses ................... .................................... ................ 26
Figure 11. Helicostegina gyralis, a foraminifer common within the Oldsmar Formation. .................... 32
Figure 12. Selected diagnostic fossils common within the Avon Park Formation................................ 33
Figure 13. Selected diagnostic fossils within the Ocala Limestone.................................................... 35
Figure 14. Selected diagnostic Suwannee Limestone fossils...............................................................38
Figure 15. Diagnostic foraminifera in Hawthorn Group units.............................................................41
Figure 16. Assemblage of typical Bone Valley Member fossils..........................................................46
Figure 17. Characteristic Ft. Thompson Formation fossils..................................................................51
Figure 18. Soil perm ability of study area ............................................................................. ................ 56
Figure 19. Statistical summary of SAS transmissivity data.................................................................58
Figure 20. Statistical summary of SAS specific yield data..................................................................58
Figure 21. Statistical summary of SAS horizontal hydraulic conductivity data................................. 59
Figure 22. Statistical summary of SAS vertical hydraulic conductivity data......................... 59
Figure 23. Approximate extent of IAS/ICU permeable zones.............................................................60
Figure 24. Statistical summary of IAS/ICU transmissivity data..........................................................63
Figure 25. Statistical summary of IAS/ICU storativity data............................................................... 63
Figure 26. Statistical summary of IAS/ICU leakance data..................................................................64