98 RECORD OF DEEP WELL DRILLING FOR 1904. [bull. 26| 
Feet. 
Red clay and gravel; hard drilling 210- 29C 
Whitish sand and gravel; hard drilling 290- 31C 
Reddish clay and gravel; hard drilling 316- 3qj 
Red sand; hard drilling 350- 39.' 
White clay and gravel 393- 45( 
Light-gray sand 450- 49( 
Clay and gravel 190- 5 b 
Light-gray sand 514- 52( 
Gravel 520- 53! 
Whitish clay 532- 5| 
Very hard rock 570- 57 
White sand and gravel 571- 58 
Reddish clay 585- 00 
Porous rock 000- (50 
White clay 002- 00 
Sand and gravel 008- 01 
( May 018- 05 
White gravel and clay 058- Ot 
Sand 008- 61 
Porous whitish clay and rock 078- 681 
White sand 087- 7( 
(lay and gravel; hard drilling 705- 7' I 
Whitish sand „ 745- 11 
White clay 750- 7^ 
Sand 772- 8 
Clay 810- 8 
Sand 815- 8 
White clay 835- 8 
White sand 895- 9 
Reddish clay 940-1, 1 
Hard rock 1, 134 
Light-gray sand 1, 137 
Clay 1,1 79-1 
Whitish sand 1, 230-1. 
I lard rock 1, 314-1 , \ 
Clay 1, 315-1, I 
Sand 1 , 354-1 , ! 
Clay 1, 308-1, i 
White sand and gravel 1, 430-1, • 
Haul clay and rock 1 , 470-1, 1 
Hard rock ; gas . 1 , 000-1, 
Clay 1 , 005-1 , 
Sand 1, 895-1, 
Red clay 1, 907-2, 
Diameter of well, 8 inches from to 779 feet, inches from 47t) to 1,219 feet, ; 
4 inches from 1,219 to 1,225 feet. 
The Houston Water Company has 3 wells in stratum between 137 and 200 fee 
between 290 and 310, 5 between 456 and 496, 2 between 571 and 585, 1 between 
and 618, 5 between 687 and 705, between 772 and 810, 4 between «Si)5 and 94 
between 1,137 and 1,139, and 3 between 1,230 and 1,314 feet. All the wells 
located within half a mile radius. They have a closed pressure at the surface of f: 
1 to 18 pounds and flow from 1,000 to 8,000 gallons a day each. 
k 
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