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    !DIVISION
    DRILLING LOG
    I
    Southwestern
    1. PROJECT
    GIWW Colorado River - Matagorda Bay
    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 file number)
    5. NAME OF DRILLER
    Black
    'lI6.
    DIRECTION OF HOLE
    , 3ST-18
    o
    VERTICAL
    0
    INCLINED
    oro. FROM VERT.
    7. THICKNESS OF OVERBURDEN
    8. DEPTH DRILLED INTO ROCK
    9, TOTAL DEPTH
    Of
    HOLE
    22.0
    ELEVATION
    DEPTH
    LEGEND
    o
    b
    0.0
    15.0
    Water
    CLASSIFICATION OF MATERIALS
    (Description)
    d
    Hole
    No.3ST-18
    INSTALLATION
    Galv Dist, Eng Div
    I
    SHEET
    OF
    SHEETS
    10. SIZE AND TYPE OF BIT
    11. DATUM FOR ELEVATION SHOWN
    (TBM
    or
    MSL)
    Sta.
    4981000
    South Side Channel, Offset
    12. MANUfACTURER'S DESIGNATION OF DRILL
    -W-orth
    13. TOTAL NO. Of OVERBURDEN
    SAMPLES TAKEN
    14. TOTAL NUM8ER CORE BOXES
    1'5. ELEVATION GROUND WATER
    : STARTED
    : DISTURBED
    i
    3 Jars
    j UNDISTURBED
    : COMPLETED
    16. DATE HOLE
    2 Dec
    i
    2 Dec 1966
    17. ELEVATION TOP OF HOLE
    18. TOTAL CORE RECOVERY FOR BORING
    19. SIGNATURE OF INSPECTOR
    % CORE
    RECOV.
    ERY
    •
    SOX OR
    SAMPLE
    NO.
    REMARKS
    (DI'ming time, water loss, depth of
    weathering, etc.,
    ,
    if
    significant)
    125
    %
    15.0
    17.5
    Gray clay, v/soft
    Jar 1
    0.0
    17.5
    20.0
    20