252 
FLORIDA STATE). GEOLOGICAL SURVEY. 
LARGO. 
Several wells have been drilled at Largo. Lewis Johnson has a 
four-inch well, 200 feet deep, which is used as a public well. Joel 
McMullen has a well, about eight miles southwest of Largo, 227 
feet deep, in which the water stands 15 feet from the surface. 
OZONA. 
The wells at Ozona are mostly 50 to 60 feet deep. A two-inch 
well, owned by Wm. Woods, is 80 feet deep and the water stands 
eight feet below the surface. C. R. C. Smith has a well 106 feet 
deep, but the water at this depth is said to be salty. 
PASS-A-GRILLE. 
The following is a log of a four-inch well, 256 feet deep, drilled 
by J. C. Danielson, and is used as a public well. The well is cased 
204 feet and the water rises 14 feet above sea: 
Feet. 
White beach sand . 0- 3 
Shells . 3- 7 
Fine sand . 7- 35 
Coquina . 35- 41 
Quicksand and blue clay. 41- 80 
Hard blue' clay . 80-200 
Limestone, principal flow from 230 feet... 205-256 
The following is an analysis of the water from this well.. 
Analysis made in the office of the State Chemist of Florida, A. M. 
Henry, analyst: 
Milligrams per liter., 
(Parts per million. J 
Si02 . 46.2 
Fe and A1 . 6.2 
Ca. . . 393.8 
Mg. ... 187.0 
Na. ...... 611.9 
K . 10.9 
Cl. 1560.2 
C 0 3 . 0.0- 
