Florida Geological Survey N- LEGEND S PERMITTED AND SURVEYED PERMITTED) NOT SURVEYED E APPLICATION RECEIVED) NOT PERMITTED SCALE 0 50 100 150 MILES 0 80 160 240 KILOMETERS F09120491 Figure 10. 1988 and 1989 geophysical exploration activity. Figure 10. 1988 and 1989 geophysical exploration activity. .4