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ALTON GEOSCIENCE PROJECT NO 42-0012 DATE DRILLED 3-26-92 <br /> LOG OF EXPLORATORYCLIENT Caltrans WELL NO <br /> BORING LOCATION 1604 South B Street, Stockton, California MW-1 <br /> LOGGED BY M Taylor 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 Continuous Core <br /> CASING DATA 4'Sch 40 PVC <br /> TOP OF CASING ELEVATION ZL22 DRILLER Westex <br /> a o DEPTH TO WATER -67' 65 96' <br /> � pptu W DATE 3/26/92 ,4/6/92 <br /> U Q TIME 5 08 PM 11 30 AM <br /> ��" d 0 3: Q � a DESCRIPTION <br /> 0ASPHALT " <br /> - 2 0 77 <br /> SILTY CLAY dark brown, moist, hard <br /> 4"diam <br /> 4 Sch40 ACL <br /> 17,24,50 0 PVC <br /> for 3" 6 Casing <br /> } <br /> 8 <br /> 10 SILTY SAND brown, moist <br /> 12 <Y "N SM <br /> 0 <br /> 14 <br /> 0 16 -----..,........._.,.------------------ <br /> '�' SAND brown, moist, poorly-graded fine-grained sand <br /> 18 SP } <br /> �y <br /> Ty7 <br /> 7 '} <br /> 2- <br /> V <br /> A ^0 <br /> 22 SILTY SAND brown, most <br /> t <br /> 24 <br /> 0 SM <br /> 26 <br /> F <br /> C�C <br /> 28 <br /> h'4 Y <br /> 0 30 <br /> 32 # -------------------------- <br /> SILTY CLAY reddish brown, moist <br /> 0 25 34 CL <br /> 25 36 <br />