BROADHEAD WELL AT ST. LOUIS INSANE ASYLUM. 
221 . 
ABSTRACT OF THE RECORDS. 
The borings indicate 63 ft. of Clay, 
6 “ Coal, 
360 u Shale, 
2725 “ Limestone, 
435 u Sandstone. 
When the borings began, the water in the well stood at 40 ft. 
below the surface ; at 134ft. an 8 or To inch opening was struck, 
and the water sank in the well to a depth of 128 ft. Salt water 
was obtained at 1226 ft. At 1225 and 1262 ft. from the surface 
a strong petroleum smell was recognized. Sulphur water was 
reached at 2140 ft. At 2256 the water in the sand-pump indi- 
cated three per cent, of Salt; at 2957, four and a half per cent. ; 
at 3293, two per cent. ; at 3367, less than two per cent. ; at 3384 
ft. three per cent. ; and below 3545, seven to eight per cent. 
TEMPERATURE. 
Experiments with a Fahrenheit registering thermometer indi- 
cated the following : 
At the depth of 3127 ft. the thermometer indicated 106°. 
u u 
3 I2 9 “ - “ — 
“ to 7°* 
“ . .. .. 1 
3264 “ n , “ .. . 
* 4 106. 
337 6 “ 
1,1 “ 106 0 . 
3473 “ 
u io 5°* 
u u 
3533 “ 
“ 105°. 
. «- 
3604 “ “ 
105°. 
“ ' “ 
3641 “ 
u 104^° 
“ I P ; “ 
3728“ m “i 
“ 105^° 
“ K 
3800 “ 
*“ ; io 5°* 
“ ’ “ 
3837 “ 
“ . 105 0 . 
It is to be regretted that no tests of temperature were made 
above these indicated depths. . 
In boring to the depth of 833 ft. the drill was often observed to 
be highly magnetized, but after passing that depth no further in- 
fluence was observed. 
tubing. 
A cast iron tube of 11? inches was first put down, reaching 
from the top to the limestone in the bottom of the well. The 
tube was then lined with wooden tubing, reducing the diameter 
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