HAYES AND 
KENNEDY. 
SPINDLETOP POOL. 75 
Log of the Geyser- Kaltenbach well, block 23, Spindletop — Continued. 
Character of strata. 
Coarse gravel 
Coarse sand with gas 
Blue clay 
Blue clay mixed with small bowlders 
Quicksand 
Blue clay 
White lime rock 
Sulphur and oil sand 
Blue sand rock 
Hard white lime rock 
Blue clay 
Soft sand rock 
Hard white lime rock 
Blue clay 
Soft sand rock 
Blue clay 
Shell formation 
White lime rock 
Gray clay 
White lime rock 
Gray clay with shells 
Shells 
Blue clay 
Gray clay 
Shells 
Oil sand : 
Blue clay 
Hard lime rock 
Black sand 
White lime rock 
Soft dark shale 
Soft white lime rock 
Soft dark shale 
Blue sand rock 
Quicksand 
White lime rock 
Sand showing oil 
Blue clay 
Iron pyrites. . ... 
Dark clay 
Oil sand 
Thickness. 
From— 
To— 
Feet. 
Feet. 
Feet. 
18 
410 
428 
37 
428 
465 
15 
465 
480 
15 
480 
495 
12 
495 
507 
83 
507 
590 
10 
590 
600 
2 
600 
602 
18 
602 
620 
5 
620 
625 
(7 
1 
625 
632 
11 
. 632 
643 
1 
643 
644 
8 
644 
652 
5 
652 
657 
23 
657 
680 
37 
680 
717 
20 
717 
737 
11 
737 
748 
1 
748 
749 
31 
749 
780 
i 
780 
787 
i 
787 
794 
16 
794 
810 
2 
810 
812 
3 
812 
815 
5 
815 
820 
4 
820 
824 
6 
824 
830 
2 
830 
832 
13 
832 
845 
7 
845 
852 
13 
852 
865 
5 
865 
870 
12 
870 
882 
3 
882 
885 
12 
885 
897 
10 
897 
907 
2 
907 
909 
3 
909 
912 
18 
912 
930 
