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, <br /> ALTON GEOSCIENCE PROJECT NO 42-0012 DATE DRILLED3-24 — <br /> LOG OF EXPLORATORY BORING <br /> CLIENT Caltrans NO <br /> BORING LOCATION 1604 South B Street, Stockton, California SB-2 <br /> LOGGED BY M Taylor APPROVED BY <br /> Page 2 of 2 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger _ __HOLE DIAM 6" <br /> SEE FIGURE 2 SAMPLER TYPE S litspoon <br /> CASING DATA WA <br /> TOP OF CASING ELEVATION N/A DRILLER Westex <br /> c _ o DEPTH TO WATER "66' <br /> CL Fo- w : DATE 3!24192 <br /> 0 O CL 2 <br /> n M a. — U O TIME 10 55 AM <br /> m <br /> M a v¢i o v a DESCRIPTION <br /> .44 <br /> 38 " <br /> 14,27,35 o 40 <br /> SILTY SAND brown, moist, very dense <br /> 4244 ; <br /> n <br /> a at <br /> o .e^ <br /> 15,-28,34 0 46 v}� <br /> ri. <br /> 48 M <br /> .k^ <br /> 8,17,15 0 50 -------------------.....------- <br /> u <br /> SILTY CLAY with fine sands drown, moist, hard <br /> 52 "`" CL <br /> 54 <br /> No blow p <br /> 56 counts .._ -----...._...— ...._._—_._.........--------- <br /> a <br /> L' <br /> 58 <br /> ~� SM SILTY SAND brown, moist <br /> 8,15,19 0 60 <br /> �sr SAND brown, moist, dense, poorly-graded fine-grained sand <br /> 62 y�" >y> <br /> SP <br /> tiv�kb' iii <br /> 64 ,u <br /> ,a`;\Cve iJi <br /> /� """`" SAND greenish brown, wet, medium dense,{poorly-graded fine- <br /> M��n >J> <br /> 5,11,13 -�5V ;0- �,wt <br /> 68 h• sJ� rained sand <br /> 68 Borehole terminated at approximately 66-112 feet below grade <br />