1. 1 APR 63 1836
    alt
    alt
    alt
    alt
    alt
    alt
    DRILLING LOG
    1. PROJECT
    GIWW Colorado River to Matagorda Bay
    2.
    LOCATION
    ELEVATION
    0.0
    12.8
    18.0
    20.0
    1 APR 63
    1836
    oro.
    FROM VERT.
    CLASSIFICATION OF MATERIALS
    (Description)
    Water
    Gray mucky clay, tr sand
    v/soft, unable to recover
    w/2.5 runs, penetrated
    material w/weightof kelly
    and 2 drill rods
    Gray clay, tr sand, v/soft
    Gray fine loose sand
    BOTTOMED
    Tide .7 at 3:00 PM
    PREVIOUS EDITIONS MAY BE USED
    (EM 1110-1-1801)
    .
    GPO 1963 : OF-71Z-Z75
    .......
    BOX OR
    RECOV-
    SAMPLE
    ERy
    NO.