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ALTON GEOSCIENCE PROJECT NO 42-QQ14 _ DATE DRILLED-3-31-92 <br /> LOG OF EXPLORATORYCLIENT Caltrans WELL NO <br /> BORING A LOCATION 1603 South B Street, Stockton, Callfomla _ MW-10 <br /> LOGGED BY M Taylor APPROVED BY <br /> Page 1 of 2 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM 10" <br /> SEE FIGURE 2 SAMPLER TYPE S 1a spoon <br /> CASING DATA 4"Sch 40 PVC 35'blank 40'screen <br /> TOP OF CASING ELEVATION 21.8T msl DRILLER Westex <br /> Q c <br /> o DEPTH TO WATER 70' 66 26' <br /> CL �- ul 1; Lu DATE 3131/92 4/7/92 <br /> pp -j <br /> O — c U O TIME 2 35 PM 8 55 AM <br /> O ❑ W nm. DESCRIPTION <br /> M d c, ❑ 3C� <br /> � <br /> 0ASPHALT4" <br /> Q •1• <br /> 2 1 ,`, PEA GRAVEL (Backfill) <br /> 4"diam <br /> 4 Sch 40 a4 4 <br /> PVC <br /> 6 � n ` ' — <br /> Casing µ )}" ---------------�.,._,....,...�... ----- <br /> 8 r SILTY SAND brown, moist <br /> 110 ` <br /> 0 RR <br /> 12 t <br /> 14 SM <br /> st <br /> 0 16 <br /> 18 f h <br /> 20 <br /> 0 22 ;^ <br /> 24 <br /> 0 <br /> 26 <br /> 28 :f --,....---------.....------------- <br /> 30 4"dram SILTY CLAY brown, most <br /> Sch 40 CL <br /> 32 PVC <br /> 0 020" ------------------------�--- <br /> 34 sintt€ng = <br /> 0 36 = SM SILTY SAND brown, moist <br />