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ALTON GEOSCIENCE PROJECT NO 42-0012 DATE DRILLED 3-24-92 <br /> LOG OF EXPLORATORY CLIENT Caltrans WELL NO <br /> BORING Oil I LOCATION 1604 South a Street, Stockton, California MW-3 <br /> LOGGED BY M Taylor APPROVED BY <br /> Page 2af3 � <br /> FIELD SKETCH OF BORING LOCATION <br /> i <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM 10" <br /> SEE FIGURE 2 SAMPLER TYPE Split soon <br /> CASING DATA 4"Sch 40 PVC <br /> TOP OF CASING ELEVATION 2L10. DRILLER Westex <br /> i <br /> �. <br /> DEPTH TO WATER '$6' 65 9 <br /> � �-- V Lu DATE 3125192 416192 <br /> a a. � _ Tn La u- TIME 11 30 AM 12 05 PM <br /> MLL M a. r_ U O <br /> r °—oy N o v a DESCRIPTION <br /> 38 <br /> ,a ch <br /> -_ <br /> 40 <br /> 10,19,340 Y <br /> 42 .ry CL SANDY CLAY brown, moist, hard <br /> 44 .o <br /> r � <br /> 10,24,36 X500 — ----...,.,..—,., — — -------------_..--. <br /> 46 fi <br /> (�yJ/y� Sc CLAYEY SAND greenish brown, moist, very dense <br /> 8 <br /> q xf <br /> 20,50 izs 50 .... --------------. —. <br /> — —._._.,._..._...———— <br /> for 5" ,; SILTY SAND greenish brown, moist, very dense <br /> 52 <br /> 54 S= <br /> v <br /> 14,27,50 50 56 <br /> for 4" ` <br /> n <br /> 58 <br /> 7,16,23 25 60 ;f SM <br /> .{ <br /> 62SILTY SAND brown, moist, dense <br /> _ <br /> . 64 <br /> 4"dram <br /> 7,15,21 125 Sch 40 '-T-=SILTY SAND brown, wet, dense <br /> 66 PVC <br /> 0 020" <br /> 68 slotting = <br /> 3,6,25 0 70 SP --SAND brown, wet, verb dense_poa �raded fine-grained sand <br />