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UNIFIED SOIL CLASSIFICATION <br />ICOy0LE3 GRAVEL I SAND I SILT AND CLAY I <br />COM![ /Iwt CWwI! WCOK" /Iwo <br />US. STANDARD SIEVE SIZES <br />or 3" I 1� i1" 4 10 20 40 60 140 200 <br />074 <br />GRAIN SIZES IN MILLIMETERS <br />0 <br />to <br />so <br />n <br />40 <br />Z <br />s0 rnn <br />6o <br />0 <br />TO <br />so <br />90 <br />IOO <br />U.S. STD. <br />PERCENT <br />SIEVE SIZE <br />PASSING <br />ill <br />100 <br />3/411 <br />88 <br />1/211 <br />88 <br />3/811 <br />86 <br />-No. 4 <br />84 <br />No. 8 <br />74 <br />No. 10 <br />72 <br />No. 16 <br />69 <br />No. 30 <br />63 <br />No. 40 <br />60 <br />No. 50 <br />57 <br />No. 100 <br />47 <br />No. 200 <br />40 <br />SAMPLE DESCRIPTION <br />LOCATION <br />LL <br />PI <br />C„ <br />Cr <br />MOISTURE <br />CONTENT (%) <br />LABORATORY <br />NUMBER <br />SC-Clayey/sandy <br />B-1 @ 10.0-11.5 feet <br />30 <br />1'6 <br />12.2 <br />1539 <br />