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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DESCRIPTION MAJOR DIVISIONS LTR DESCRIPTION <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 /> GRAVELS ILTS clayey fine sands or clayey silts <br /> Gp Poorly-graded gravels or gravel 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, gravelly 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 /> mixtures. I clays of low plasticity <br /> GRAINED GRAINED <br /> SW Well-graded sands or gravelly MH Inorganic silts, micaceous or <br /> SOILS SOILS diatomaceous fire sandy or silty <br /> sands, little or no fines. SILTS <br /> soils, elastic silts <br /> SAND SP Poorly-graded sands or gravelly AND <br /> sands, little or no fines. CH Inorganic clays of high plasticity. <br /> AND CLAYS fat clays. <br /> SANDY SM Silty sands, sand-silt mixtures. LL>50 OH Organic clays of medium to high <br /> SOILS I I I plasticity. <br /> SC Clayey sands, sand-clay mixtures. HIGHLY Pt Peat and other highly organic <br /> ORGANIC SOILS soils. <br /> Standard penetration split spoon sample <br /> Modified California sampler <br /> IShelby tube sample <br /> Water 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 . <br /> No warranty is provided as to the continuity <br /> of soil strata between borings . Logs <br /> represent the soil section observed at <br /> the boring location on the date of <br /> drilling only. <br /> PLATE <br /> J.H. KLEINFELDER & ASSOCIATES �� <br /> GEOTECHNICAL CONSULTANTS • MATLRIALS I[SlING II <br /> BORING LOG LEGEND <br /> PREPARED BY: SRD DATE : 6-15-87 <br /> CHECKED BY: DATE : PROJECT NO. 20-29'25-01 <br />