132 OIL FIELDS OF TEXAS-LOUISIANA COASTAL PLAIN, [bull.212. 
Log of the Louisiana and Texas Oil Company" s well at Hackberry Island, 
Louisiana. 
[Elevation, 35 feet.] 
Character of strata. 
Clay, sand, and gravel 
Blue clay 
Sand 
Clay 
Packed sand 
Soft blue clay 
Sand - 
Blue clay 
Coarse sand 
Blue clay with fine sand 
Coarse sand and gravel 
Hard lime rock and shells 
Tough "blue clay and lignite 
Lime rock 
Blue clay 
Rock 
Blue clay 
do 
Sandy clays . 
Rock 
Sand . 
Soft rock 
Alternate layers of sand, clay , and rock, 
with hard blue limestone coated with 
yellow crystals, changingto sandstone 
with pyrites 
Sand 
Hard rock 
Sand 
Rock . 
Clay 
Lignite 
Rock .... 
Clay 
Rock .. 
Thickness. 
Ft. in. 
138 10 
156 
45 
6 
24 
40 
127 
20 
36 
283 
30 
5 
207 
31 3 
1 
101 6 
36 11 
51 11 
6 
11 9 
35 
9 

13 
1 
1!) 
7 
3 
3 
o 
From- 
Ft. 

138 
295 
340 
346 
370 
411 
539 
559 
595 
878 
908 
914 
1,121 
1,121 
1,153 
1,154 
1,255 
1,292 
1,344 
1,345 
1,356 
1,361 
1,397 
1,407 
1,407 
1,420 
1,421 
1,441 
1,448 
1,451 
1,455 
11 
To- 
10 
o 
Ft. 
138 
295 
340 
346 
370 
411 
539 
539 
595 
878 
908 
914 
1,121 
1,121 
1,158 
1,154 
1,255 
1,292 
1,344 6 
1,345 
1,356 9 
1,361 9 
1,397 5 
1,407 
1,407 8 
1.420 8 
1.421 9 
1,441 
1,448 
1,451 7 
1,455 
1,457 
