TABLES Table Page 1 Surface-water data-collection points in Green Swamp area and vicinity ... _..... _.........._...------.......------ ........... .. ----_. 7--------7 2 Ground-water data-collection points in Green Swamp area and vicinity ...--.... .. ......-- ....... --------- -- ...........---....---..... 12 3 Test-well data in Green Swamp area and vicinity ----. --------_ 16 4 Geologic formations and their water-bearing characteristics in Green Swamp area and vicinity ---- -------- -- ------ 29 5 Streamflow data for Withlacoochee River basin gaging stations in Green Swamp area .-............-- .......-..... .....--- --- --------------- 36 6 Streamflow data for Palatlakaha Creek basin gaging stations in Green Swamp area ...............------..... __-------------------..----. 48 7 Monthly water budgets for Horse Creek and Pony Creek basins, 1960-62 .--. .------------------___ -- 65 8 Hydrologic analyses of disturbed sand samples from a test hole in Lake Parker near Lakeland --.._-....- -------------.......... ------ 67 9 Hydrologic analyses of core samples from a well (805-154-8) near Lakeland -----. _---------- __ ------------- 68 10 Pumping test data (Floridan aquifer) ------------------------- 83 11 Estimates of transmissibility ____ ----------------- --------- 85 12 Monthly water budget for Lake Helene near Polk City, 1962 ------ 106 13 Ground-water outflow from the Floridan aquifer for eastern and western basins _------------------- ___---- 110 14 Comparison of budget factors for eastern and western basins ------ 111 15 Surface-water outflow from Green Swamp area, July 1958 to June 1962 ___.---------------__.-----------. 112 16 Ground-water outflow from the Polk piezometric high in Green Swamp area _--- ------------------------- 116 17 Ground-water outflow from Green Swamp area ------ _----------_ 117 18 Summary of water-budget factors in Green Swamp area, 1959- 61 ... ------------.-. ...... .--------.- 118