alt
    •
    Hole No.
    3ST-15
    DRILLING LOG
    1. PROJECT
    I
    DIVISION
    Southwestern
    GIWW Colorado River - Matagorda Bay
    ISHEET
    ~OF
    SHEETS
    INSTALLATION
    Galv Dist, Eng Div
    10. SIZE AND TYPE OF BIT
    11. DATUM FOR ELEVATION SHOWN
    (TBM
    or
    MSL)
    2. LOCATION
    (Coordinates Qr Station)
    Sta.
    492~030North
    Side Channel
    3. DRILLING AGENCY
    Dept of the Army, GD, Corps of Engineers
    4. HOLE NO.
    (As shown on drawing title
    and file number)
    5. NAME OF DRILLER
    Black
    6. DIRECTION OF HOLE
    o
    VERTICAL
    0
    INCliNED,
    7.
    THICKNESS OF OVERBURDEN
    8. DEPTH DRILLED INTO ROCK
    9. TOTAL DEPTH OF HOLE
    3ST-15
    DI!G. FROM VERT.
    'l.O
    12. MANUFACTURER'S DESIGNATION OF DRILL
    13. TOTAL NO. OF OVERBURDEN
    SAMPLES TAKEN
    14. TOTAL NUMBER CORE BOXES
    1-5.
    ELEVATION GROUND WATER
    I STARTED
    : DISTUR8ED
    3 Jars
    16. DATE HOLE
    :
    1 Dec
    17. ELEVATION TOP OF HOLE
    18. TOTAL CORE RECOVERY FOR aORING
    19. SIGNATURE Of INSPECTOR
    lUNDISTURBED
    : COMPLETED
    :1 Dec 1966
    DEPTH
    LEGEND
    CLASSIFICATION OF MATERIALS
    % CORE
    BOX,OR
    ... REMARKS
    ELEVATION
    (D
    r"ti)
    RECOV-
    SAMPLE
    (DrIlling tnne, water loss, depth of
    0.0
    15.0
    18.0
    20.0
    escrlr on
    ERY
    NO.
    weathering, etc., if significant)
    b
    d
    e
    9
    15.0
    Water
    18.0
    Gray mucky clay, v/soft
    No resistance w/weight of
    kelly and 2 drill rods
    Jar 1
    20.0
    Gray clay sand, soft
    Jar 2
    0.0
    22.
    Brown silty sand, v/dense
    20.5-21.0 32 blows
    21.0-21.5 20 blows
    Jar 3