DRILLING LOG

1. PROJECT

T

DIVISION

Southwestern

GIWW Colorad.o

~~River~tagorda

Bav

2. LOCATION

(Coordinates or Station)

3. DRILLING AGENCY

Dept of the Army, GD, Corps of Engineers

4~

HOlE NO.

(As shown on drawing title

and

fit,

numb")

,

3ST-13

5. NAME Of DRILLER

Black

6. DIRECTION Of HOLE

o

VERTICAL

D

INCLINED

7. THICKNESS Of OVERBURDEN

8. DEPTH DRILLED INTO ROCK

9. TOTAL DEPTH OF HOLE

DEG. FROM VERT.

22.0

Hole No.

3ST-13

INSTALLATION

Galv Dist. Eng Div

TSHEET

IOF

SHEETS

10. SIZE AND TYPE OF BIT

11. DATUM FOR ELEVATION SHOWN

(TBM

or

MSL)

Sta. 4SSfOOONorth Side Channel

12. MANUfACTURER'S DESIGNATION -OF DRILL

13. TOTAL NO. OF OVERBURDEN

SAMPLES TAKEN

14. TOTAL NUMBER CORE BOXES

1-5.

ELEVATION GROUND WATER

: DISTURBED

: 3 Jars

: STARTED

16. DATE HOLE

1 Dec

17. ELEVATION TOP Of HOLE

18. TOTAL CORE RECOVERY FOR BORING

19. SIGNATURE OF INSPECTOR

!UNDISTURBED

:

COMPLETED

:1 Dec 1966

ELEVATIO~

I DEPTH

I LEGEND

CLASSIFICATION OF MATERIALS

"10

CORE

SOX OR

REMARKS

(Description)

RE,COY-

SAMPLE

(D"ilUng time, water loss, deplh of

0

0.0

14.0

16.0

lS.O

20.0

ERY

NO.

weathering, elc.,

if

significant)

I

b

d

e

g

114.0=

116.0-

11S.0-

120.0-

122.0=

~

Water

Black mucky clay, v/soft

No resistance

Brown sand, dense

Washed

Brown sand, dense

20.5-21.0 11 blows

21.0-21.5 14 blows

BOTTOMED

Tide 1.3 at 12:30 PM

Ja.r 1

Jar 2

No sample

Jar 3

%

EN-G FORM