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ALTON GEOSCIENCE PROJECT NO 42-0012 DATE DRILLED 3-25-92 <br /> LOG OF EXPLORATORY CLIENT Caltrans WELL NO <br /> BORING LOCATION 1604 South B Street, Stockton, California MW-3 <br /> LOGGED BY M Taylor APPROVED BY, <br /> Page 3 of 3 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM 10' <br /> SEE FIGURE 2 SAMPLER TYPE S Irt spoon <br /> CASING DATA 4'Sch 40 PVC <br /> TOP OF CASING ELEVATION 21.10, DRILLER Westex <br /> a DEPTH TO WATER `66' 65 98' <br /> CL <br /> N HO- a Lu E ~2 J DATE 3125192 4/6192 <br /> 3: O g n- v, U) L. TIME 11 30 AM 12 05 PM <br /> 0 LL2 CL — c U O <br /> n v a DESCRIPTION <br /> 11 <br /> 72 ' <br /> }J}J <br /> I <br /> }Y}J <br /> i }J}J <br /> �J+J <br /> 7,15,15 74 S SP :J'.J <br /> SAND brown, wet, dense, poorly-graded fine-grained sand <br /> 76 - <br /> 9J7yJ <br /> End Cao :J?J <br /> }'J <br /> 11,18,31 78 ..._..._....,....----------...,.._..—....,._....--r..--- <br /> SM SILTY SAND brown, moist, dense <br /> a0 <br /> Borehole terminated at approximately 79-1/2 feet below grade <br />