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ALTON GEOSCIENCE PROJECT NO 42-0014 DATE DRILLED 3-30-92 <br /> LOG OF EXPLORATORYf CLIENT Caltrans WELL NO <br /> BORING A LOCATION 1603 South B Street, Stockton, California MW-11 <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 Split soon <br /> CASING DATA 4"Sch 40 PVC 63'blank 15'screen <br /> TOP OF CASING ELEVATION 21.37'ms{ DRILLER Westex <br /> c o DEPTH TO WATER 68' <br /> 65 94' <br /> Lu <br /> CL Ip' � w DATE 3130192 4/7/92 <br /> O O — c U 0 TIME 11 16 AM 9 00 AM <br /> ao Y' a�� n U > a DESCRIPTION <br /> Yr <br /> 38 <br /> SM <br /> K is: <br /> xa. <br /> 11,19,19 0 44 �� ----..._.,..._...--------....,—...,._...------- <br /> 42 SAND brown, moist, dense, poorly-graded tine-grained sand <br /> y P 7yi <br /> � v <br /> 44 4"diam <br /> Sch 40 xx 'y' -------------------------- <br /> 9;18,41 0 46 PVC <br /> wilm Casing A SILTY SAND brown, moist, very dense <br /> 40 fi <br /> 48 < <br /> M <br /> 19,34,47 0 50 <br /> 52 <br /> 54 <br /> 7,17,38 056 �J; ---------------...---------- <br /> 'J' SAND tan, moist, very dense, poorly-graded fine-grained sand <br /> P- 58 <br /> >J9 <br /> Y ?y9 <br /> 12,27,41 0 60 Y f ?y' -------...,........._.------..., --------- <br /> 62 SILTY SAND brown, moist, very dense <br /> M <br /> 64 <br /> — <br /> 9,17,22 0 ' -» <br /> 66 ��? SAND brown, moist, dense, poorly-graded fine-grained sand <br /> 68 4"diam SAME wet, very dense <br /> ?J�J <br /> Sch 40 <br /> SP <br /> 70 PVC >J> <br /> 9,17,22 0 0 020" <br /> 72 slotting <br /> . . <br /> 7yi <br />