19 Profile B-B' through the lower part of the Everglades Agricultural Area showing surface elevations in 1912, 1940, 1970, 2000 ............................ 39 20 Soil depths predicted for the year 1980, for the Everglades Agricultural Area .................. . 41 21 Thicknesses of soils in the Everglades Agricultural Area as determined by a recent study ................... 42 22 Location of current peat producers in Florida ......... 53 23 Production and value of peat in Florida, 1972- 1983 ... 54 24 Topographic profile of a karst basin peat deposit in north Florida ...................................... 76 25 Topographic profile of St. Johns River Marsh peat deposit in southern Brevard County ................ 77 26 Topographic profile of the Oklawaha River peat deposit in northern Lake and southern Marion counties .......... 78 27 Topographic profile of the Santa Fe Swamp peat deposit in Alachua and Bradford counties .................. 79 28 Topographic profile of the Everglades in Collier and Dade counties ................................... 80 TABLES Table Page 1 Estimated rates of peat accumulation in Florida ....... 17 2 Proportions of the organic soils of the Everglades Agricultural Area falling into categories based on thickness ................................... 43 3 Summary of county level permitting requirements ...... 56 4 Water quality issues associated with peat mining ...... 67 5 Water resources issues associated with peat mining .... 71 6 Air quality issues associated with peat mining ........ 74 7 Plant communities of concern .................... 82 8 Endangered, threatened, and rare species associated with areas of potential peat accumulation ............... 84 9 Independent factors governing site specific reclamation programs ........................... ......... 88