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Hole Number: Sheet 3 of 18 <br /> HERST & ASSOCIATES, INC.- AMW-21 Soil Log <br /> Northing: 2,146,441.0 Easting: 6,359,731.4 Ground Surface Elevation: 34.9 <br /> Project: Austin Road NCYCC Drilling Rig Type: Mud Rotary <br /> Project No.: 120081503 Method of Drilling: DB 540 with Mud Puppy <br /> Site Location: Stockton,California Drilling Dates: November 4- 12,2008 <br /> Graphic z a> H <br /> eb Soil Description Lo o Notes <br /> Qwo g <br /> Q� <br /> 20.0 to 20.5 ft. -Sandy CLAY,moist,medium stiff, <br /> fine grained,dusky yellowish brown(10YR 2/2). 7 <br /> 20.5 to 21.5 ft. -Silty CLAY with barite lenses,dry, 1_5 11 <br /> 21.0 stiff,moderate yellowish brown(10YR 5/4). 1.5 12 <br /> 17 <br /> 21.5 to 25.0 ft. -Silty CLAY. <br /> 22.0 <br /> 5 <br /> 23.0 <br /> 24.0 <br /> 25.0 <br /> 25.0 to 26.5 ft. -Silty CLAY with barite lenses,dry, <br /> stiff,moderate yellowish brown(10YR 5/4). 5 <br /> 1.5 6 <br /> 26.0 1.5 12 <br /> 13 <br /> 26.5 to 30.0 ft. -Silty CLAY. <br /> 27.0 <br /> 6 <br /> 28.0 <br /> 29.0 <br /> . 30.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger F7A FU <br /> Helper: Tony Young,Robert Kline,&Diego Amador CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />