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Bettler—Ryan, Inc. Log of Boring U-15 <br /> PROJECT Former Unocal Service Station No 0187 LOCATION 437 East Miner A venue; Stockton, CA <br /> w <br /> m <br /> * 0 cn <br /> CL w w 'I GEOLOGIC DESCRIPTION WELL DIAGRAM <br /> I- v x ii a a CL <br /> W w o o a a cc a <br /> 0- in cn to co cn <br /> CL SILTY CLAY (CL) - olive gray (5Y 4/2) mottled with <br /> brown 00YR 4/3), most, hard 70%clay, 30% silt, few <br /> scattered calcium carbonate deposits <br /> 0 38 U-15-46 <br /> ML SILT (ML) - dark greenish gray (10Y 4/1), moist, hard <br /> 48 100% silt, trace of scattered calcium carbonate <br /> deposits, trace of fine mica <br /> 0 41 U-15-51 <br /> 54 <br /> 0 48 U-t5-56 <br /> Color changes to dark greenish gray (5G 3/1), <br /> abundant fine mica <br /> sa <br /> 33 U-15-61 <br /> SM SAND WITH SILT (SM) - dark greenish gray OOGY <br /> 3/1), saturated medium dense 80% fine to medium Cl- <br /> sand, 20% silt <br /> v <br /> j <br /> 66 29 U-15-66 m <br /> U <br /> SM SILTY SAND (SM) - dark greenish gray (LOGY 3/1), <br /> saturated 70% fine to coarse sand, 30% sill, trace of m <br /> fine pebbles <br /> U-15-71 <br /> 72 Driller indicated contact at 73 feet <br /> ML CLAYEY SILT (ML) - dark greenish gray (LOGY 4/1), <br /> >IOp U-15-74 saturated, hard 60% silt, 30% clay, 10% fine sand, few <br /> fine mica <br /> 78 <br /> >100 U-15-80 <br /> ML SILT (ML) - dark greenish gray (10GY 3/0, moist, <br /> hard, 100% silt, few fine mica, trace of fine sand, trace <br /> 84 of calcium carbonate deposits <br /> >100 U-15-85 <br /> sa <br /> 4- <br /> JOB NUMBER 240042 08 Page 2 of 3 <br />