alt
    DRILLING LOG
    I
    DIVISION
    Southwestern
    1. PROJECT
    ~T'tIn..r
    f"nl .....,....::tnn R;uj01'" _
    da Bav
    2. LOCATION
    (Coordinates or Station)
    3. DRILLING AGENCY
    J)pnr nf tchA Armv. GD. Corps of Engineers
    4. HOLE NO.
    (As shown on drawing title
    and file number)
    5. NAME Of DRILLER
    Black
    6. DIRECTION Of HOLE
    3ST-12
    o
    VERTICAL
    D
    INCLU'<IED
    Dro. FROM VERT.
    7. THICKNESS Of OVERBURDEN
    8. DEPTH DRILLED INTO ROCK
    9. TOTAL DEPTH OF HOLE
    ELEVATION
    DEPTH
    LEGEND
    o
    b
    0.0
    77_0
    CLASSIFICATION OF MATERIALS
    (Description)
    d
    Water
    Hole No.
    3ST-12
    INSTALLATION
    Ga1v Dist, Eng Div
    rSHEET
    IOF
    SHEETS
    10. SIZE AND TYPE OF BIT
    11.. DATUM FOR ELEVATION SHOWN
    (TBM
    or
    MSL)
    1St:>. 486,1000 Snuth Side r.h:mnAl
    12. MANUFACTURER'S DESIGNATION OF DRILL
    13.
    TOT~NO.
    Of OVERBURDEN
    .SAMPLES TAKEN
    14. TOTAL NUMBER CORE BOXES
    1-5,
    ELEVATION GROUND WATER
    : STARTED
    : DISTUR8ED
    : 2 Jars
    16. DATE HOLE
    :
    1 Dec
    17. ELEVATION TOP OF HOLE
    18. TOTAL CORE RECOVERY FOR BORING
    19.
    SIGNATURE OF INSPECTOR
    , UNDISTURBED
    i
    2 Cont
    : COMPLETED
    , 1 Dec 1966
    % CORE
    REMARKS
    RECOV-
    ER'
    BOX OR
    SAMPLE
    NO.
    (DI'ilIing time, waler loss, depth of
    weathering, .eu" if significant)
    12.0
    12.:0:
    18.~
    Gray mucky clay, v/soft
    No resistance weight of
    Kelly
    a~d
    2 drill rods
    Jar 1
    18.0
    20.0
    21.0
    20.:0:
    21.~
    22.6
    ENG FORM 1836
    1
    APR 63
    Brown clay, hard
    Same as above, v/stiff
    Brown silty sand, dense
    BOTTOMED