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Settler-Ryan, Inc. Log of Boring Mw-16 PROJECT Former Unocal Service Station No 2859 LOCATION 1665 Pacific Avenue, StocktorR California GR PROJECT NO 240072 04 CASING ELEVATION DATE STARTED 05121101 WL (ft bgs) DATE TIME DATE FINISHED 05121101 WL (ft bgs) 2572 DATE 05123101 TIME 1330 DRILLING METHOD 8 in Hollow Stem auger TOTAL DEPTH 91 feet DRILLING COMPANY Cascade Drilling, Inc GEOLOGIST David Herzog w m * M 1.- 0 Ln e z a WELL DIAGRAM _^ N J w = GEOLOGIC DESCRIPTION X a a a M M N (n C9 N CL CLAY (CL) - black OOYR 2/1), dry 100% clay, abundant rootlets 9 0 36 MW-16-5 5 Color changes to brown 0OYR 4/3) becomes moist, hard, 80% clay, 10% fine sand, few fine iron oxide -� nodules, few fine micas ML SANDY SILT (ML) - brown (10YR 4/3), damp, hard 80% silt, 30% fine sand, 10% clay, few fine iron oxide nodules 10 0 37 MW-18-11 _ SM SILTY SAND (SM) - brown 00YR 4/3) damp 80% fine sand, 20% silt abundant calcium carbonate filled rootlet channels, some iron oxide staining, few fine - 15 micas _ a 0 MW-18-16 _ `] QI ML SILT (ML) - olive gray (5Y 5/2), saturated 100% silt, U trace of iron oxide stained rootlet channels, trace of a fine micas c 20- - 0 - 0 MW-16-21 CL SANDY LEAN CLAY (CL) - dark greenish gray (IOGY 3/1), moist 60% clay, 40% fine to medium sand, abundant micas, few calcium carbonate nodules 25 - 0 31 MW-18-26 ML SILT (ML) -- olive gray (5Y 5/2) moist, very stiff, 100% silt trace of iron oxide stained rootlet channels, trace of fine micas _ SILT WITH SAND (ML) - brown 00YR 4/3), moist 80% silt, 20% fine sand few fine micas, trace of iron oxide staining . 30- 85 MW-18-31 - SM SILTY SAND (SM) - olive brawn (2 5Y 4/3), most, 70X fine sand, 30% silt, abundant fine micas, few calcium carbonate nodules (<3 mm) 35 - JOB NUMBER 240072 04 Page 1 of