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ALTON GEOSCIENCE PROJECT NO. 42- QO 12 DATE DRILLED 3-25-92 <br /> LOG OF EXPLORATORYCLIENT Caltrans WELL NO. <br /> BORING LOCATION 1604 South B Street Stockton California MW 2 <br /> LOGGED BY M.Taylor APPROVED BY <br /> Page 1 of 3 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM. 10' <br /> SEE FIGURE 2 SAMPLER TYPE Solit s000n <br /> CASING DATA 4"Sch. 40 PVC <br /> TOP OF CASING ELEVATION 21.45' DRILLER Westex <br /> _ o DEPTH TO WATER --68' 66.17" <br /> a. <br /> U) F- EE 2 w DATE 3/26/92 4/6/92 <br /> S <br /> LL o m a c U O TIME 9:30 AM 11:45 AM <br /> 0 c\1m a. can o 0 j nom. DESCRIPTION <br /> 0 <br /> 2 <br /> 4•diam. `: SILTY SAND: brown, dry, very dense. <br /> 4 Sch. 40 ' <br /> 13,24,38 0 PVC <br /> 6 Casing <br /> 8 <br /> 16,35,50 0 10 <br /> or 5" - <br /> 12 SM <br /> 14 <br /> 9,13,14 SILTY SAND: reddish brown, moist, medium dense. <br /> 0 16 <br /> 18 <br /> 11,12,13 0 20 <br /> 22 SILTY SAND: brown, moist, medium dense. <br /> 24 <br /> 7,13,14 --------_.--------_...-------- <br /> 0 26 <br /> SAND: brown, moist, medium dense; poorly-graded fine-grained <br /> )J! <br /> 28 <br /> SP ';�; sand. <br /> 30 <br /> 10,28,38 0 ———- -"— <br /> 32 SILTY SAND: brown, moist, very dense. <br /> 34 SM <br /> 9,10,13 0 36 SILTY SAND:brown, moist, medium dense. <br />