148 
FLORIDA STATF GEOLOGICAL SURVEY. 
This record of the Ponce de Leon well, at St. Augustine, is 
supplemented by the record from the new city well at Jackson¬ 
ville. In the Jacksonville well the following temperatures were 
recorded: At a depth of 498 feet, the temperature of the water 
flowing from the pipe was 71 degrees F. At 635 feet the tempera¬ 
ture was 74 degrees F. At 900 feet the temperature still registered 
74 degrees F. These measurements made, as the water escapes 
from the pipe, are necessarily approximate measurements. Not 
only does the water lose in temperature in moving to the mouth 
of the pipe, but it mingles with the higher and colder waters enter¬ 
ing the pipe, which necessarily equalizes the temperature of the 
whole. They show, however, increase of temperature with 
increase of depth. 
TABLE SHOWING PROGRESSIVE LOSS 
RECORD OF JACKSONVILLE 
dj, T. 
*3 
£ 
*4-1 
S3 
o 
W 
CL 
E 
o 
25 C3 2 
fl 
0 
Ui 
"53 
5 
u 
s 
(U 
^ 4)fN 
1886 
1888 
1889 
1891 
May 30 
1892 
Nov. 1 
1893 
Jan. 1 
1894 
Jan. 1 
1895 
& 
2 
o 
-s 
5 
a> 
®a- S 
3 
fc 
N 
CO 
03 
C3 
> fl X 
°og 
Nov. 
1 
6 
1885 
864,000 
864,000 
799,860 
568,073 
309,096 
264,384 
243,000 
221.616 
200,232 
Dec. 
4 
12 
1896 
1.854,320 
April 
6 
10 
1901 
2,095,639 
Aug. 
7 
10 
1904 
651,500 
Mch. 
2 
6 
1886 
1,296,000 
1,296,000 
1,167,360 
808,485 
458,784 
412,128 
381,024 
332,424 
309,096 
Feb. 
3 
10 
1889 
3,360,052 
3,360,652 
1,995,840 
1,829,952 
1,752,192 
1,440,152 
1,347,840 
April 
5 
8 
1899 
590,676 
f 
I 
! 
Total Flow. 
2,160,000 
1,967,040 
4,737,210 
2,763,720 
2.506,464 
2,376,216 
1,994,192 
1,857,168 
Loss 
; in Flow... 
192,960 
590,482 
2,770,170 
1,973,490 
257,256 
130,248 
382,024 
137,024 
Gain hv 
New ' 
Well. 
