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_r <br /> - I <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> i <br /> MAJOR DIVISIONS tTR of SERIPTlow MAJOR DIVISIONS LTR DESCRIPTION <br /> CC <br /> CO (;V well-graded gravels or gravel sa d ML Inorganic silts and very fine <br /> mixtures, little or no fines. sands. rock flour, silty or <br /> GRAVELSILTS clayey fine sands or clayey silts <br /> O Z 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 " 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 /> GRAINED GRAINED mixtures. clays of low plasticity <br /> SOILS SV well-graded sands or gravelly MN Inorganic silts, micaceous or <br /> sands, little or no fines" SOILS SILTS diatomaceous fine sandy or silty <br /> Soils, elastic silts <br /> SAND SP Poorly-graded sands or gravelly AND CN Inorganic Clays of high plasticity, <br /> AND sands, Iletic or no fines. CLAYS fat clays. <br /> } y SANDY SM Silty sands, sand-sill mixtures. 1.0 50 ON Organic clays of medium to high <br /> m SOILS I I plasticity. <br /> tQ Ow SC flaycy sands, sand-clay mixtures. HIGHLY Pt Peat and other highly organic <br /> X > ORGANIC SOILS soils. <br /> U O <br /> wa <br /> = a <br /> va <br /> 3} Stan and penetration split spoon sample <br /> am . <br /> tModified California sampler <br /> IShelby tube sample <br /> ,• <br /> Water level observed in boring <br /> * No recovery <br /> NFUE 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 s it strata between borings. Logs <br /> represent the soil section observed at <br />` the boring location on the date of <br /> drilling only., <br /> PLATE 1 <br /> PREPARED FOR <br /> 1994 IT CORPORATION' <br /> ALL COPYRIGHTS RESERVED . . . Creating a Safer Tomorrow <br /> ' "Do Not Scale This Dtaiwinn _.... <br />