DRILLING LOG

I. PROJECT

I

DIVISION

Southwestern

I

(.!TW r.olo1""::ldn R;vp.r _ M.:cIt"t:lonrr1t:1 R::l"u'

2. LOCATION

(Coordinates (W Station)

3. DRILLING AGENCY

Dept of the Army, GD, Corps of Engineers

4. HOLE NO.

(As shown on drawing litle

and file number)

3ST-20

5. NAME OF DRILLER

Black

6. DIRECTION OF HOLE

D VERTICAL

0 INCLINED

DW. FROM VERT.

7. THICKNESS OF OYERBURDEN

8. DEPTH DRILLED INTO ROCK

9. TOTAL DEPTH OF HOLE

ELEVATION

DEPTH

LEGEND

,

b

0.0

9.3

9.3

112.0 -

12.0

113 • .0..=

13.0

115.5=

15.5

118.0=

22.0

IWater

CLASSIFICATION OF MATERIALS

(Description)

d

Brown gray silty clay

v/soft

Brown clay, stiff

Same as below

Gray sandy

clay, stiff

Hole No

3ST-20

I

SHEET

OF

SHEETS

INSTALLATION

Galv Dist. Ene Div

1 o. SIZE AND TYPE OF BIT

11. DATUM fOR ELEVATION SHOWN

(TBM

or

MSL)

sta. 502tOOOSouth Bank, Offset 10.0' Sout

12. MANUFACTURER'S DESIGNATION Of DRILL

13. TOTAL NO. OF OVERBURDEN

SAMPLES TAKEN

14. TOTAL NUMBER CORE BOXES

1'5.

ELEVATION GROUND WATER

i DISTURBED

: STARTED

16. DATE HOLE

2 Dec

17. ELEVATION TOP OF HOLE

18. TOTAL CORE RECOVERY FOR BORING

19.

SIGNATURE OF INSPECTOR

: Ut-iDISTUR8EO

:5 Cont

: COMPLETED

: 2 Dec 1966

REMARKS

%

CORE

RECOV-

ERY

BOX OR

SAMPLE

NO.

,

(DI.i/ling time, waler loss, deplh of

wealhering, elc., if significant)

•

•

Cont. 1

0.0

Cont. 2

1.75

No sample

Cont. 3

1.75

%

18.0

120 • .0..=

Brown silty clay; v/stiff

Cont.

4

2.50

20.0

122.0=

Brown silty clay, stiff