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ALTON GEOSCIENCE PROJECT NO 42-0014 DATE DRILLED 3-30-92 <br /> LOG OF EXPLORATORY CLIENT Caltrans WELL NO <br /> BORING LOCATION 1603 South B Street, Stockton,California MW-12 <br /> LOGGED BY M Taylor APPROVED BY___ <br /> Page 2 of 3 � <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger _HOLE DIAM 10" <br /> SEE FIGURE 2 SAMPLER TYPE Split soon <br /> CASING DATA 4"Sch 40 PVC 63'blank, 15'screen <br /> TOP OF CASING ELEVATION 21,23'_msl DRILLER Westex <br /> Lu c _ o DEPTH TO WATER 70' 65 66' <br /> �op- a a J 2 J DATE 3131192 417192 <br /> O v .. _ CL d _ v u- TIME 8 48 AM 9 10 AM <br /> C3 r d fn o v 0- DESCRIPTION <br /> 38 } <br /> 0 <br /> rhe <br /> 7,20,50 0 40 SILTY SAND reddish brown, moist, very dense <br /> 42 <br /> - 44 <br /> 15,27,45 0 46 $hi ao M <br /> c <br /> dh SAME brown <br /> PVC { <br /> 48 ° <br /> Casing <br /> ~ <br /> 50 <br /> 19,35,39 0 `. <br /> 52 a <br /> SAY �SNe` <br /> 54 A} ....--- <br /> 17,35,37 0 <br /> 56 z <br /> �p +y; SAND brown, moist, very dense, poorly-graded fine-grained sand <br /> J8 'y; <br /> f iy> <br /> l iy� <br /> 60 r <br /> 7y7 <br /> 13,19,20 0 <br /> 7y1 SAME dense <br /> 62 eye <br /> SP <br /> 64 <br /> I <br /> 7y1 <br /> 12,13,47 0 <br /> 66 — SAME very dense <br /> . 68 4"dram <br /> may} <br /> Sch 40 syr <br /> PVC <br /> 3,5,12 0 70 0 020" >y+ <br /> slotting ?y> SAME dense <br /> _ ; > <br /> 72 y <br /> < = 9~y9 <br />