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y16 <br /> LOG OF BORING No. MW-4iE <br /> N <br /> DATE DRILLED: 10/7153 ELEVATION: <br /> y z o iE EQUIPMENT: CME 75 <br /> • 0 5 grave <br /> Clayey Sand(SC)-medium dense,dry. dark yellowish <br /> IN brown(10 YR 412),tine to medium grained,no petroleum odor <br /> Silty Clay(CL)-medium stiff,slightly moist,moderate <br /> brown(5 YR 414),moderate to low plasticity,no <br /> petroleum odor <br /> 5 <br /> grading to moderate yellowmh brawn(10 YR 5+4)@ T, <br /> stiff <br /> <@ 9'drip rig mechankxM problems,1018 resume drilling> <br /> = 10 — <br /> omT5 <br /> <12"dia steel conductor casing> <br /> Clayey gravel Sand(SP)-medium devise,dry,dark <br /> mo yellowish(10 YR 42),gravels up to very coarse pebbles, <br /> 9 subrounded,sand very fine to fine grained,poorly sorted, <br /> D no petroleum odor <br /> 8 5 Silty Clay(CL)-medium stiff,slightly moist,moderate <br /> 2 yellowish brown(10 YR 512),low plasticity,minor fine <br /> apebble gravels,no petroleurn odor <br /> W cc <br /> o a <br /> grading to moderate yellowish brown(10 YR 514),@ 1T <br /> and minor very fine sand and fine pebble gravely content <br /> 20 <br /> grading to no gravels and suffer @ 21' <br /> • <br /> grading 1D medium stiff,dry,dark yellowish brown <br /> (10 YR 512) <br /> 25 <br /> increasing fine gravel sand @ 26' <br /> Clayey Sand (SCy Sandy Gay (CL)-medium stiff, moist, <br /> olive gray(5 Y 411),low plasticity,sand is very fine to medium <br /> grained,poorly sorted,slight petroleum odor <br /> 3a <br /> a <br /> 0 <br /> Cl) <br /> Y Silty Clay(CL)-hard,damp,moderate bluish gray(5 B 511), <br /> 5/8J11 18115 35 blocky with minor medium grained sand,medium plasticity <br /> m m <br /> 0 0 <br /> a <br /> FE a <br /> THIS SUMMARY APPLIES ONLY AT THE LOCATION OF THIS BORING AND AT THE TIME OF DRILLING SSURFACE CONDITIONS MAY DIFFER AT OTHER LOCATIONS AND <br /> MAY CHANGE AT THIS LOCATION WITH THE PASSAGE OF TIME.THE DATA PRESENTED IS A SIMPLIFICATION OF ACTUAL.CONDITIONS ENCOUNTERED <br /> PROJECT NO <br /> PRELIMINARY CLOSURE REPORT 92-117710233 <br /> • 9 MrJITHE MARK STOCKTON SCAVENGER ASSOCIATION <br /> DRAWING NO <br /> GROUR INC. STOCKTON, CALIFORNIA A-10 <br /> ENGINEERS it GEOLOGISTS <br /> Page 1 <br />