276 
FLORIDA STATE) GEOLOGICAL SURVEY. 
809 
826 
828 
834 
839 
860 
867 
874 
876 
878 
902 
905 
917.6 
917.9 
923 
961 
973 
990.6 
1009 
1012 
1023 
1025 
1088 
1110 
1116 
1174 
1175 
1193 
1195.6 
1196 
- 826 ..Blue marl full of black specks. 
- 828 .. Sand. 
- 834 ..Sandstone. 
- 839 ..Very fine, tough clay, thoroughly impervious. 
- 860 . .Fine grained coquina, get dribble of water at 
depth of about 844 feet 4 inches, casing 
driven to depth of 846 feet, tight in rock. 
- 867 ..Solid hard limestone. 
- 874 . .Fine clay, devoid of grit. 
- 876 ..Hard rock. 
- 878 .. Lots of black specks here. 
- 902 .. Clays, sandy and lots of black specks, no water. 
- 905 ..Dark sand bed; here the water supply is 115,000 
gallons per diem. 
- 917.6 ..Thin block of stone 909 feet, about. This is the 
lowest sand bed with thin block of limestone 
at intervals. Water comes from between 
these thin flakes of limestone. 
- 917.9 ..Limestone. 
- 923 . .Coralline. 
- 961 ..Hard limestone rock at 923, solid rock nearly 39 
feet. 
- 973 . .Gritty marl. 
- 990.6 .. Solid rock. 
-1009 .. Sandy marl, full of tiny spirals. 
-1012 ..Limestone. 
-1023 . .Yellow sandstone. 
-1025 ..Hard rock. 
-1088 ..Rock, first of the regular water strata. Alternat¬ 
ing hard and soft strata. Increase of water 
with depth. At depth of 1042 feet 270,000 
gallons, 1057 feet 300,000 gallons, 1075 feet 
350,000 gallons; water strata found at fre¬ 
quent intervals. 
-1110 ..Gray limestone. 
-1116 ..Gray limestone interspersed with water strata, 
but the flow increases but slightly. At 1160 
feet flow total 400,000 gallons. 
-1174 ..Solid gray limestone. 
-1175 ..Blue limestone. 
-1193 ..All solid. 
-1195.6 ..Blue limestone (?). 
-1196 .. Six inches water stratum. 
-1212 .. Mostly gray limestone, with some hard and some 
water strata, flow increases but little. 
