DRILLING LOG

TOIVISION

I

Southwestern

1. PROJECT

.c

GIWW - Colorado

River to Matagorda Bay

2. LOCATION

(Coordinates or Station)

3. DRILLING AGENCY

Dept of the Army, GO, Corps of Engineers

4. HOLE NO.

(As shown on drawing litle

and jile num.ber)

5. NAME OF DRILLER

Black

6. DIRECTION Of HOLE

D VERTICAL

D INeLl'NED

7. THICKNESS OF OVERBURDEN

8. DEPTH DRILLED INTO ROCK

9. TOTAL DEPTH OF HOLE

ELEVATION

DEPTH

I LEGEND

_0

b

3ST-l

DEG. FROM VERT.

??~

CLASSIFICATION OF MATERIALS

(Description)

d

Hole No.

3ST-l

INSTALLATION

Galv Dist, Eng Div

10. SIZE AND TYPE OF BIT

11. DATUM FOR ELEVATION SHOWN

(TBM

or

MSL)

Sta. 458,000 North Side Channel

12. MANUFACTURER'S DESIGNATION OF DRILL

I

SHEET

OF

SHEETS

13. TOTAL NO. OF OVERBURDEN

SAMPLES TAKEN

: DISTUR8ED

UND1STURBED

: 3 Jars

14. TOTAL NUMBER CORE BOXES

"5.

ELEVATION GROUND WATER

: STARTED

: COMPLETED

16. DATE HOLE

: 29 Nov

:29 Nov 66

17. ELEVATION TOP OF HOLE

18. TOTAL CORE RECOVERY FOR BORING

19. SIGNATURE OF INSPECTOR

% CORE

RECOV-

ERY

•

BOX OR

SAMPLE

NO.

REMARKS

(Drilling time, waler loss, depth of

weathering, elc.,

if

significant)

•

%

i

! ' .

I

I.

0.0

Water

I

11.5

15.• 0

21.0

22.5

Black muck

Jar 1

Black mucky clay

Jar 2

!

Black mucky clay to brown

!

sand, changed at 22.0

Jar 3

J

BOTTOMED

.

Note

- Unable to recover in

2.5 runs

Kelly and 2 drill rods

penetrated to 22.5