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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTA DESCRIPTION MAJOR DIVISIONS LTA DESCRIPTIOK <br /> GW Well-graded gravels or gravel sand ML Inorganic silts and very fine <br /> mixtures, little or no fines. sands, rock flour, silty or <br /> GRAVEL GP Poorly-graded gravels yr gravel SILTS clayey fine sands or clayey Silts <br /> with slight Plasticity. <br /> AND sand mixture, little or no fines. AND <br /> CL Inorganic clays of low to medium , <br /> GRAVELLY GM Silty gravels, gravel-Sand-clay CLAYS plasticity, graveily clays, Sandy <br /> SOILS mixtures. LL<50 clays, silty clays, lean clays. <br /> COARSE GC Clayey gravels, gravel-sand-clay FINE OL Organic silts and organic silt- <br /> GRAINED GRAINED I <br /> mixtures• clays of low Plasticity <br /> SOILS SW Well-graded sands or gravelly SOILS MH Inorganic silts, micaceous or <br /> sands, little or no fines. SILTS diatomaceous fine sandy or silty <br /> Soils, elastic silts <br /> SAND SP Poorly-graded sands or gravelly AND <br /> CM Inorganic clays of high plasticity. <br /> AND sands, little or no fines. {LAYS fat clays. <br /> SANDY $M Silty sands, Sand-sill mixtures. 1.050 ON Organic clays of medium to nign <br /> SOILS I plasticity. <br /> SC Clayey sands, sand-clay mixtures. HIGHLY PL Peat and other hignly organic <br /> ORGANIC SOILS Solis. <br /> Standard penetration split spoon sample <br /> OModified California sampler <br /> IShelb tube sample <br /> Dater level observed in ;.boring <br /> * No recovery <br /> NFWE No free water encountered <br /> NOTE: The lines separating strata on the logs <br /> represent approximate boundaries only. <br /> The actual transition may be gradual , f <br /> No warranty is provided as to the continuity <br /> of soli strata between borings. Logs <br /> represent the soil section observed at <br /> the b ring location on the date of - <br /> drilling only. <br /> PLATE <br /> $NVIaOSCIEHCS DESIGNED BY , DRAWN BY r <br /> PROJECT NO = SCALE DATE : <br /> L a6, <br />