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ALTON GEOSCIENCE PROJECT NO. 42-0012 DATE DRILLED 3-25-92 <br /> LOG OF EXPLORATORY >- CLIENT Caltrans WELL NO. <br /> BORING m LOCATION 1604 South B Street, Stockton, California MW-2 <br /> LOGGED BY M. Taylor APPROVED BY <br /> Page 2 of 3 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM. 10" <br /> SEE FIGURE 2 SAMPLER TYPE Solit spoon <br /> CASING DATA 4"Sch. 40 PVC <br /> TOP OF CASING ELEVATION 21.45, DRILLER_ Westex <br /> Cr 7 o DEPTH TO WATER `68' 66.17' <br /> a- +— c w uj DATE 3/26/92 4/6/92 <br /> O n. a. �- — n rn u_ TIME 9:30 AM 11:45 AM <br /> O u_ 0 2 o_ a) e U O <br /> n Y a- U) o 's v nom. DESCRIPTION <br /> 38 <br /> 19,26,50 100 40 <br /> for 5" 42 SILTY SAND:brown, moist, very dense. <br /> SM <br /> 44 <br /> a3o,41 125 <br /> 46 SILTY SAND: brown and white, moist, very dense. <br /> 48 <br /> 12,39,50 125 50 <br /> for 5" SILTY SAND: brown with black, moist, very dense. <br /> 52 <br /> 54 <br /> €< a _ <br /> 12,14,17 2p 56 _...�_ —— _.__ _.._..—_. _ __.—...�._.. — _�.—v- <br /> 77 <br /> :i: <br /> .. <br /> SAND: brown, moist, dense; poorly-graded fine grained-sand. <br /> 58 <br /> •j 'JV i• <br /> 16,16,18 p 60 •r ;,, <br /> SP <br /> I62 4"diam. iii' <br /> Sch. 40 ;. <br /> j PVC <br /> 15,10,19 125 66 0.020' ' ' SAND:brown, moist, medium dense; poorly-graded fine-grained <br /> slotting sand. <br /> j•. .'Y'• <br /> I 68 <br /> •'J7. <br /> •'J j. <br /> 70 SAND: brown, wet, very dense, poorly-graded fine-grained sand. <br /> 8,31,50 20 <br /> ------------------------ <br /> for 6" _ �_. <br /> I <br />