ILLUSTRATIONS

Figure                                                                Page
1   Map of Econfina Creek basin area ---------------------------------------------- 3

2   Map of Econfina Creek basin showing physiographic divisions and surface runoff------------------------------------------------------------ Facing p.  4

3   Geohydrologic sections of Econfina Creek basin area -------------------------6

4 Bar graphs of maximum, mnimium, and average monthly rainfall, and annual rainfall, at Panama City from 1935 to 1963 ------------------------- 9

5   Map of Econfina Creek basin area showing location of data-collection points referenced in report-------------------------------------------------------- 12

6   Scatter diagram showing relation of chloride to total mineral content of water from the Floridan aquifer in the Econfina. Creek basin area ---13

7   Block diagram of Econfina Creek basin showing areal distribution of mineral content and chloride concentration in water from selected wells
    in the Floridan aquifer ----------------------------------- ;-------------------------- 14

 8  Graphs of chloride concentration in water from selected wells in the Floridan aquifer ---------------------------------------------------------------------- 15

 9  Flow chart of streams in the Econfina Creek basin --------------------------- 17

 10  Graphs of water level in the water-table aquifer and rainfall near
     Bennett for part of 1962 and 1963 ----------------------------------------------- 19

 11  Graph of streamfiow of Econfina Creek near Compass Lake for the
     period April 1 to May 7, 1963 ----------------------------------------- ---------- 20

 12  Sketch showing similarity of an artesian pressure system and water
     pressure developed by an elevated tank ----------------------------------------- 21

 13  Map showing the piezometric surface of the Floridan aquifer in the
     Econfina. Creek basin area, October 1962---------------------------------------- 23

 14  Graphs showing theoretical drawdowns in the vicinity of wells being
     pumped at a constant rate for selected periods------------------------------ 26

 15  Theoretical drawdowns along a line of 10 wells after 100 days of
     pumping at a rate of 200 gallons per minute at each well--------------- 27

 16  Graphs of water use and population in the Panama City area ---------- 30 17 Map of the Panama City area showing the location of water wells for
     each water system and the area supplied by these systems ---------------- 31

 18 Map showing the approximate piezometric surface of the Floridan aquifer in the Panama City area in 1908--------------------------------------- 32

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