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, <br /> SAMPLING BORING B-4 <br />' <br /> DATE DRILLED 9127189 <br /> U, w <br /> wa <br /> w <br /> _ CC z Z ¢ J <br /> w <br /> U,CL 0. N d <br /> LU Q Q LUQ <br /> U) rn ¢ SYMBOLS DESCRIPTION <br /> 0 CL BROWN SILTY CLAY with some sand (moist) (very stiff) <br /> 5 U 66 <br />' 10 U 4015" <br /> Grades micaceous with white mottling, black specks <br /> BROWN CLAYEY SILT with oran ash mottling, blacks <br /> ML 9 g Pew,rrucaceous <br /> 15 U 41 <br /> •-- <br /> M BROWN SILTY CLAYEY SAND,fine to medium <br /> .;. <br /> SC <br /> 20 U 35 !IGREENISH GRAY SILTY CLAY, micaceous (moist) (stiff) <br /> NOTES <br /> 1 Bonng completed at a depth of 21 5 feet on 927189 <br /> 2 Sampling resistance is measured in blows per toot required to dnve the sampler <br /> 12 inches with a 140 Ib hammer falling 30 inches after sampler has been seated 6 Inches <br /> 25 3 Bonng log indicates interpreted subsurface conditions only at the location and the time the <br /> bonng was dnlled <br /> 4 For an explanation of terms used see the Sods Classification Chart and Key to Sampling, <br /> Plate A•8 <br /> 30 <br /> I 35 <br /> LOG OF BORING <br /> Dames & Moore <br /> 18025-002-044 PLATE A-4 <br />