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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 Stoddon Callfomla MW-11 <br /> LOGGED BY M TaYI_or_______ APPROVED BY_ <br /> Page 1 of 3 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM 10' <br /> SEE FIGURE 2 SAMPLER TYPE Split spoon <br /> CASING DATA 4"Sch 40 PVC 63'blank 15'screen <br /> TOP OF CASING ELEVATION 21.3T msl DRILLER Westex <br /> � c <br /> _ DEPTH TO WATER 68' 65 94' <br /> Lu <br /> w w DATE 3130192 417192 <br /> J <br /> CL <br /> a- a- C U u- TIME 11 16 AM 9 00 AM <br /> m o 0 � a DESCRIPTION <br /> 0 GRASS <br /> b <br /> 4"dfam <br /> 4 Sch 40 ' <br /> 6,30,41 0 PVC ;4 CL SILTY CLAY brawn, dry, hard <br /> & Casing <br /> 8 <br /> 10 <br /> � r// ..... <br /> ------------- —.........——————— <br /> 3,6,9 0 �....,. <br /> 12 SILTY SAND brown, moist, loose <br /> 14 <br /> 9,12,23 0 <br /> 16 SAME dense <br /> 18 <br /> SSM <br /> y <br /> 7,25,41 0 20 n <br /> r SAME very dense <br /> 22 V <br /> h� o <br /> 24 £` <br /> y}{ J{ <br /> 9,18,29 0 --------------------_._......--- <br /> 016 <br /> 26 <br /> SILTY CLAY brown, moist, hard <br /> 28 � <br /> 30 CL <br /> 11,10,18 0 SAME very stiff <br /> 32 v� h <br /> 34 M ------_......,.._....------_..----._........,..--- <br /> 12,16,29 0 36 ns SILTY SAND reddish brown, rnoist,dense <br />