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174 
[Assembly 
Feet. 
2. Quicksand. This stratum embraced salt water which 
increased in quantity as the shaft descended. The 
water yielded about five ounces of salt to the 
gallon, 21 
3. Fine grained, soft, chocolate-colored muriatiferous 
clay, e 8 
4. Very hard, reddish brown, muriatiferous clay, inter- 
mingled with pebbles of various kinds, belonging 
principally to the older formations, 35 
5. Muriatiferous clay of a chocolate color, 00.8 
6. Similar in every respect to No. 4. Among the nu- 
merous pebbles it contained, was found a mass of 
granite weighing about 500 pounds, found at a dis- 
tance of more than 70 feet from the surface, .... 5 
7. Muriatiferous clay of a bright pale blue color, con- 
taining transparent crystals of gypsum disseminat- 
ed throughout the mass, 4 
8. A stratum of brown muriatiferous clay, interspersed 
with crystals of gypsum, . 2 
9. A layer of dark colored gypsum 2 
10. Blue muriatiferous clay, embracing crystals of gyp- 
sum of a reddish tinge, 4 
11. Red muriatiferous clay, containing crystals of gyp- 
sum of the same color, 2 
12. Blue muriatiferous clay, containing numerous veins of 
reddish gypsum running in various directions. — 
Near its centre, it embraced a layer of compact 
gypsum, eight inches thick, 15 
13. Red and blue variegated muriatiferous clay, abound- 
ing in large sized crystals of gypsum, having a 
reddish tinge, 4 
14. A stratum of gypsum,.. , 2 
15. A compact muriatiferous clay, varying occasionally 
from a light to a deep blue color, and embracing 
gypsum in crystals of some considerable size, . • • • 8 
16. A stratum of translucent gypsum. From beneath 
this, the strongest brine was obtained, issuing from 
seams in a stratum of reddish muriatiferous clay 
of unknown thickness, 1 
