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Gettler-Ryan, Inc. Log of Boring Mw-14 PROJECT Former Unocal Service Station No 2859 LOCATION 1665 Pacific Avenue, Stockton t:a6tarmia GR PROJECT NO 24007204 CASING ELEVATION DATE STARTED 05/22/01 WL (ft bgs) DATE TIME DATE FINISHED 05/22/01 WL (ft bgs) 1174 DATE 05/23/01 TIME 13 55 DRILLING METHOD Bin Hollow Stem Auger TOTAL DEPTH 915 feet DRILLING COMPANY Cascade Drilling, Inc GEOLOGIST David Herzog w M * � � o to '- z J a WELL DIAGRAM _ CL U- „U U, L) GEOLOGIC DESCRIPTION I--- CU Q d a d U OJ J LU w OJ a Q it O ©" m U) U) LD CO CL CLAY (CL) - black (lOYR 2/1), moist 100% clay, trace of rootlets ML SILT WITH SAND (ML) - dark yellowish brown OOYR 4/4), damp very stiff BO% silt, 20% fine sand, some calcium carbonate deposits, trace of fine iron oxide 5 nodules 0 19 MW-14-6 4 I 4 10 J 0 27 MW-14-11 Becomes abundant iron oxide nodules, no calcium carbonate deposits - SANDY SILT (ML) - olive brown (2 5Y 4/3), moist, very stiff, 70% silt, 30% fine sand, abundant calcium carbonate nodules (<5 mm), abundant iron oxide - 15 nodules (<3 mm), abundant fine micas U 0 23 MW-14-16 _ � C v E - SILT NO - olive brown (2 5Y 4/3), moist, hard 90% J silt, 10% fine sand, some Iron oxide staining, trace of v micas 20- - 0 ` — 0 33 MW-t4-21 I 25- - 5 - 0 20 MW-14-26 Becomes very stiff with few scattered indurated zones, few calcium carbonate nodules (<3 mm) CL CLAY (CL) - dark yellowish brown (10YR 4/4), moist very stiff 100% clay, abundant fine micas, abundant Iron oxide staining, scattered indurated zones 3 0 22 MW-14-31 - ML SILT (ML) - olive brown (2 SY 4/3), moist, hard 100% silt, abundant calcium carbonate nodules 1<5 mm), few iron oxide nodules (<2 mm), trace of fine micas 35 JOB NUMBER 240072 04 Page 10 f