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<br /> 4 PROJECT NAME: Dupont/Lodi BORING •: MW-22
<br /> PROJECT 0: 1813G DATE DRILLED: 11/02/87
<br /> EXCEITE[H EXPLORATORY BORING LOG LOGGED BY: x p
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<br /> "~ U_ v J p 1i SOIL DESCRIPTION ] t
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<br /> W W GO S 4
<br /> CD g n
<br /> p °° m o 3 a a o
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<br /> ML SANDY SILT-. dark brown (10YR 3/3), very fine sand
<br /> 1 (20-30%), 5% medium, subangular sand, damp, medium
<br /> dense, no ue;t.odor
<br /> 2 S4 SILTY ,- strong brown (7.5YR 5/8), very fine to
<br /> fine grained, subangular to subrounded, very silty
<br /> 3 (30-40%), 5% medium gra.iiked, subangular sand, damp,
<br /> medim dense, no product odor
<br /> 4 40
<br /> A 84 g`! SILTY SAND-. strong.brown (7.5YR 5/8), fine grained,
<br /> 5 subangular, 20% silt, 1% medium grained, subround-
<br /> ed sand, 5% open rootholes, 1% caliche coating
<br /> r 6 some rootholes, damp, very dense, no product odor
<br /> 7
<br /> 8
<br /> 9 15 SM SILTY SAND; olive (5Y 5/3) and dark yellowish brown
<br /> 40 (10YR 4/4) mottles, fine grained, subangular, 20-25%
<br /> 10 B b0 silt, 1% rootholes, trace iron stains on grains,
<br /> moist, very dense, no product ,odor
<br /> 11
<br /> r .
<br /> 12
<br /> _ 13
<br /> SILTY CLAY AND SILTY SAND; alternates in 2-3 inch
<br /> 14 13 SM thick layers from silty clay to silty sand.
<br /> 21 -SILTY CLAY; light brownish gray (2.5Y 6/2), medium
<br /> 15 32 plastic, silty (15%)
<br /> -� -SILTY SAND; light brownish gray (2.5Y 6/2) , very
<br /> 15 fine grained, 20% silt, 5% gold mica, 205% open root
<br /> r holes, most stained dark reddish brown, 50% of holes
<br /> 17 interconnected, moist, dense to hard, no product_
<br /> odor
<br /> r
<br /> 18-
<br /> 11 15
<br /> 21 CL SILTY CLAY; yellowish brown (10YR 5/4 ) , medium to low
<br /> 1 20 D 34 plasticity, silt (15%-20%) , 5% very fine grained
<br /> sand, 5% open rootholes, common iron stains, damp
<br /> 21 to moist, hard, no product odor
<br /> 22
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