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ALTON GEOSCIENCE PROJECT NO 42-0014 DATE DRILLED 3-31-92 <br /> LOG OF EXPLORATORY CLIENT Caltrans WELL NO <br /> BORING LOCATION 1603 South B Street, Stockton, Callfomia MW-10 <br /> —11� LOGGED BY M Taylor APPROVED BY <br /> Page 2 of 2 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM 10' <br /> SEE FIGURE 2 SAMPLER TYPE Siftspoon <br /> CASING DATA 4'Sch 40 PVC 35'blank 40'screen <br /> TOP OF CASING ELEVATION 21.,Z' rn§j DRILLER Westex <br /> Lu <br /> o DEPTH TO WATERCL 70' 68 26' <br /> p� EQ .� 2 DATE 3131192 4/7/92 <br /> 30 8 a r — 1(;5 (0 LL TIME 2 35 PM 8 55 AM <br /> � 3 v > a DESCRIPTION <br /> 38 ----r.,....--_............._._.....------------- <br /> 20 <br /> 40 CL SILTY CLAY brawn, moist <br /> i <br /> 42 <br /> ---------------------------- <br /> - 44 SANDY SILT brown, moist <br /> 425 46 M <br /> 48 <br /> >yi <br /> 50 >y> <br /> - 0 SAND brown, moist, poorly-graded fine-grained sand <br /> >J7 <br /> 52 >Ji <br /> Ty> <br /> >J> <br /> = J <br /> Jam#C A iJ} <br /> i iyi <br /> 06 7y i <br /> > ; <br /> J <br /> x.70 i y' <br /> 7y> <br /> 7y� <br /> >ys <br /> 0 60 P iy7 <br /> >yi <br /> 62 <br /> >y� <br /> - 64 >J> <br /> J <br /> iy7 <br /> 0 ' <br /> 66 <br /> CO iJ> <br /> V8 +y> <br /> }yj <br /> 7y7 <br /> 70 <br /> >yi <br /> _ SAM E wet <br /> 72 <br /> 74 End Ca <br /> iyl <br /> 76 ;y; Borehole terminated at approximately 76-112 feet below grade <br />