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ALTON GEOSCIENCE PRQIECT NO 42-0012 DATE DRILLED 3-25-92 <br /> LOG OF EXPLORATORY I -A CLIENT Caltrans WELL NO <br /> BORING LOCATION 1604 South B Street, Stockton, Callfomla MW-2 <br /> LOGGED BY M Taylor APPROVED BY_ <br /> FIELD SKETCH OF BORING LOCATION I Page 2 of 3 <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM 10" <br /> SEE FIGURE 2 SAMPLER TYPE Sold spoon <br /> CASING DATA 4"Sch 40 PVC <br /> TOP OF CASING ELEVATION 21.45, DRILLER Westex <br /> UJ V c DEPTH TO WATER -68' 6617' <br /> a.a. p 1 E w DATE 3/26/92 4/6/92 <br /> 3 o. �' �' N 'i TIME 9 30 AM 11 45 AM <br /> Q 0 � C j 4 <br /> m a 0) Cl � U <br /> DESCRIPTION <br /> 38 <br /> 19,26,50 100 40 °k <br /> for 5" 42 v A SILTY SAND brown, moist, very dense <br /> v > <br /> SM <br /> � 4 <br /> A Tdd <br /> �+n <br /> 0;30,41 125 4r <br /> 46 A h SILTY SAND brown and white, moist, very dense <br /> 48 <br /> t <br /> 12,39,50 125 50 ^' <br /> fors" <br /> 52 <br /> SILTY SAND brown with black, moist, very dense <br /> >u .�} <br /> 54 <br /> 12,14,1720 ------ --_— <br /> 56 ._--..._---- — <br /> 4 SAND brown, moist, dense, poorly-graded fine grained-sand <br /> 58 ;JT <br /> 6,16,18 0 160 •r ; <br /> Sp 'J' <br /> 62 9,J T <br /> 4"dlam <br /> - 64 Sch 40 <br /> PVC >J' <br /> 5,10,19 125 0 020" n: <br /> SAND brow , moist, medium dense, poorly-graded fine-grained <br /> 66 slotting 7 <br /> sand <br /> 78 >J> <br /> >J> <br /> >J> <br /> 8,31,50 20 70 ��? SAND brown, wet, very dense, poorly-graded fine-grained sand <br /> for6" ---_.,.--_.,.--_. ———————————————— <br /> is <br />