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1 <br /> Total depth of bormg, 55 ft Diameter of boringo 10 in Date drillodr 1/31/90 <br /> Casino diameters 4 in Lengthen 49 F t . 010 <br /> 1 Screen dlameters 4 in Londa~ 4 Pt PC, <br /> . VC <br /> DrEing Companrs Spectrum Drillina DrEler. Ray a d <br /> Method Ueeeh Holtow Steen Auger CContlnua )-, Flet l s{. K. Vatter <br /> Signature of Registered Profesalon■ <br /> 1 Reglatratfon Na. 4333 St too Calif <br /> 1 <br /> DEPTH <br /> SABLE o P.I.D. CODS DESCRIPTION CONT.! <br /> m <br /> 1 <br /> Asohatt <br /> •�a <br /> i Subbase <br /> 1 2f ... <br /> CL Clay, dusky brown, aarep, hard <br /> 4 <br /> $-S 27 pprty ML Siit with trace clay, dark yeitowish- brown, ary, very <br /> stiff �•a • <br /> a `•I = � <br /> S-�6 31 <br /> PP <br /> 1 1 D rlv moderate yeliowish-trown, root loorfngs <br /> hard, frable <br /> 2 <br /> SM ( Sand w+th some silt, fine-grained moderate brown, drv, <br /> loose i:' ••, <br /> SAt wt-On some sono f ne-to coarse-grasnea, aark <br /> 14 ML yellowish-orange drv, hard, friabie <br /> S-15 52pp=tv Light of ve-grown �.'•' .:;r <br /> moderate yeliow,sh-drown <br /> grayish orange, friable <br /> 1 l ght 01've-cray, very StIFF �,• <br /> 20 C L Clav with some s lt, trace F ne-gra nen sand, moderate _ <br /> yeltow,sn-brown, moist, soft, taninated <br /> (section continues aownwara) +: + <br /> LOG OF BORING B-I/MW-1 PLATE <br /> Unocal ServiCe Station No. 8981 <br /> .4opJls� GsoSyara.-.,a 4707 Pacific Avenue <br /> PROJECT NO. 38032-3 Stockton, California <br />