DRILLING LOG

1. PROJECT

I

blVISION

~outhwestern

GIWW Colorado River - Matagorda Bay

2. l_OCATION

(Coordinates or Station)

3. DRILLING AgENCY

Dept ot the Army, GD, Corps of Engineers

4. HOLE NO.

(As shown on drawing title

and file number)

3ST-19

sB'1'lre:fF DRILLER

6. DIRECTION OF HOLE

o

VERTICAL

0

INCUNED

7,

THICKNESS OF OVERBURDEN

8. DEPTH DRILLED INTO ROCK

9. TOTAL DePTH OF HOLE

ELEVATION

a

0.0

13.7

DEPTH

b

13.7:=

19.0:::

LEGEND

OEG. FROM VERT.

22.0

Water

CLASSifiCATION Of MATERIALS

(Description)

d

Gray clay, v/soft

INSTALLATION

Galv Dist

I

Eng DiV

10. SIZE AND TYPE OF BIT

Hole No.

3ST-19

SHEET

OF

SHEETS

11. DATUM FOR ELEVATION SHOWN

tTBM

or

MSL)

Sta. 500,1000 NorthiBank, 5.0' Offset North

12. MANUFACTURER'S DESIGNATION 0F DRILL

13. TOTAL NO. OF OVERBURDEN

SAMPLES TAKEN

1.4. TOTAL NUMBER CORE BOXES

1'5. ELEVATION GROUND WATER

, STARTED

: DISTURBED

i

1 Jar

16. DATE HOLE

1 2 Dec

17. ELEVATION TOP OF HOLE

18. TOTAL CORE RECOVERY FOR BORI",G

19, SIGNATURE Of INSPECTOR

I UNDISTURBED

2 Cont

• COMPLETED

: 2 Dec 1966

]H:M-ARKS

%

CORE

RECOY.

ERY

BOX OR

SAMPLE

NO.

(Df'illing /i,ne, wafer loss, depth of

weathering, etc" if significant)

•

•

Jar

1

%

Kelly and 2 rods, no

resistan~e

0.0

2.25

2.75

19.0

21.0

21.0:::

22.0:::

Brown silty clay, v/stiff

Gray reddish brown clay

v/stiff

BOTTOMED

Tide ,11.5 at 1:30 PM