106 
CONTENTS. 
PAGE. 
Formations supplying artesian water. 144- 
Depth of artesian water. 145 
Cost of wells . 145 
Increased flow with incre'^ed depth. 146 
Increased head with increased depth. 146 
Increased temperature with increased depth... 147 
Loss of head and reduction in flow.. . 149 
Table showing loss of flow of artesian wells.... 149 
Cause of the loss of flow. 151 
Waste of artesian water. 152 
Method of measuring flow of artesian wells. 152 
Tables for determining yield of artesian wells. 155 
Area of artesian flow in Florida. 157 
Discussion by counties. 162 
Nassau County . 162 
Location and surface features. 162 
Water-bearing formations . 162 
Area of artesian flow. 164 
Local details . 165 
Callahan . 165 
Crandall .... . 167 
Evergreen .. 167 
Fernandina . 167 
Hilliard . 170 
Italia . 171 
King’s Ferry . 171 
Lessie . 172 
Lofton . 172 
Duval County . 172 
Location and surface features. 172 
Water-bearing formations . 174 
Area of artesian flow. 175 
Local details . 176 
Baldwin . 176 
Bayard . 176 
Jacksonville . 116 
Mandarin. 180 
Manhattan Beach . 181 
Maxville . 182 
Mayport . 182 
St. Johns County. 183 
Location and surface features.. 183 
Water-bearing formations .. 184 
Area of artesian flow. 185 
