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ILLUSTRATIONS. 
Plate No. Following Page 
10. Fig. i. Exposure of hardpan at Black Bluff on Clark’s Creek, 
eight miles from Fernandina. 
Fig. 2. Artesian well used for power, Melbourne, in Brevard 
County .... 88 
11. Fig. i. Palmetto flatwoods, Amelia Island. 
Fig. 2. Palmetto flatwoods, Ft. Myers. q6 
12. Fig. i. Scrub, east side of Lake Kingsley, Clay County. 
Fig. 2. Sandy pineland, DeLeon Springs. 
Fig. 3. Open flatwoods, three miles east of DeLeon Springs. 96 
13. Fig. 1. Everglades west of Ft. Lauderdale. 
Fig. 2. Small prairie, four miles west of Sebastian.,.... 
Fig. 3. Turnbull Hammock, one mile west of Daytona. 96 
14. Fig. 1. Sand dune near Mayport .. 
Fig. 2. Ancient sand dune, two miles west of Daytona. 
Fig. 3. Exposure at Saw Pit landing, St. Marys River. 96 
15- Map showing areas of artesian flow in Florida. 122 
Text Figures. 
Fig. 6. Artesian basin . 109 
Fig. 7. Artesian slope . no 
Fig. 8. Artesian flow from unconfined horizontal strata. in 
Fig. 9. Artesian flow from cavities in limestone.!.. in 
Fig. 10. Method of measuring artesian flow.. 119 
Fig. 11. Map of flowing area of Nassau and Duval Counties... 135 
Fig. 12. Map of flowing area of St. Johns County. 143 
Fig. 13. Map of flowing area of Clay and Putnam Counties... 155 
Fig. 14. Map of flowing area of Orange County. 167 
Fig. 15. Flowing well on Lake Jessup, Orange County. 172 
Fig. 16. Map of flowing area of Volusia County. 175 
