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PROJECT NAME. Tri-Valley Gra&,rs BORING I: NEW-2 <br /> Thornton <br /> PROJECT r: 1582G DATE DRILLED: 8/21/87 <br /> EXCELTECH EXPLORATORY BORING LOG LOGGED BY: K.p. <br /> .j O 2 <br /> r 0 W p L7 <br /> a O z <br /> ;� _1 a LL_ 50IL DESCRIPTION �i <br /> CL 2a h u N ,Q] a <br /> CL <br /> a O <br /> 0 <br /> 1 ROAD BASE <br /> 2 <br /> - ML SANDY SILT, dark brown ( 10yr3/3), 20-25% <br /> 3 very fine sand, 5% gold mica, damp, soft , <br /> no product odor <br /> 4 SP SAND, dark yellowish brown (10yr3/4!, fine <br /> to medium, subangular to subrounded, damp, <br /> 5 ---loose_, no product odor <br /> CL SILTY CLAY, very dark grayish brown, (10yr3/4) <br /> .� -2 17 30-40% silt, 5¢ open rootholes, 5% red mot- <br /> A tles, medium plasticity, damp, very stiff, <br /> - 7 no product odor <br /> 8 CL SILTY CLAY, very dark brown, (10yr2/2), <br /> 20-30% silt; medium to high plasticity, <br /> 9 moist, very stiff, no product odor <br /> 1 W-2 13 CL SILTY CLAY, very dark grayish brown (10yr3/2) <br /> -- B 30-40% silt, ( 5% open rootholes, 5% gold <br /> 12 mica, 10% red mottles, moist, stiff, no <br /> product odor <br /> -13- <br /> -14- <br /> 11 <br /> 3 141 <br /> 1 -2 i5 -color change to dark brown (7.5yr3/4 ) and <br /> % mottled dark gray (7.5yr4/0) , wet, stiff, <br /> C no product odor <br /> 17 <br /> ` 18 <br /> i9 <br /> 20 <br /> D SM SILTY SAND, greenish gray (5rg5/1 ) , mottled <br /> 2__ olive (5y5/3) , 302 giil.t, 5% rootholes, low <br /> lasticiE wet stiff no 2roduct odn_r <br /> Page one of twn <br />