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r ,r <br /> SAMPLING BORING B-3 <br /> w w DATE DRILLED 9127189 <br /> w � <br /> U- w <br /> z LU z a ,`LU <br /> ,,, <br /> r ~ <br /> a. a o_ Ln a. <br /> cn LO � ch SYMBOLS DESCRIPTION <br /> r 0 <br /> CL GRAYISH BROWN SILTY CLAY, mottled,with white specks,hard white concretion <br /> (moist)(hard) <br /> r <br /> 5 <br /> U 34 <br /> r <br /> r ,fl <br /> U 56 ML BROWN CLAYEY SILT with white crystalline forms, macro pores(moist) (crumbly) <br /> r <br /> 15 <br /> U 52 Becomes dayier with black specks and orangish mottling <br /> 20 ML BROWN CLAYEY SILT TO SILTY CLAY with black and orange mottling,some <br /> U 31E: CL sand (moist)(stiff) <br /> 25 U 41 <br /> Becomes greenish gray with white mottling and fissures (medium stiff) <br /> NOTES <br /> 1 Boring completed at a depth of 26 5 feet on 9127/89 <br /> 2 Sampling resistance is measured in blows per foot required to drive the sampler <br /> 30 12 inches with a 140 Ib hammer falling 30 inches after sampler has been seated 6 inches <br /> 3 Boring log indicates interpreted subsurface conditions only at the location and the time the <br /> boring was dnlled <br /> 4 For an explanation of temu used see the Soils Classification Chart and Key to Sampling, <br /> Plate A-8 <br /> 35 <br /> 1 1 <br /> LOG OF BORING <br /> Dames & Moore <br /> 18025-002-044 PLATE A-3 <br />