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v <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> f <br /> U MAJOR DIVISIONS LTR DESCRIPTION MAJOR DIVISIONS LTR DESC4IPTEGII <br /> zOr <br /> GW well-graded gravels or gravel sand ML inorganic silts and very fine <br /> m mixtures little or no fines sands rock flour, silty or <br /> CC Z) GRAVEL SILTS clayey fine sands or clayey silt$ <br /> GP Poorly-graded gravels or gravel <br /> with Z nth sFight plasticity <br /> AND sand mixture little or no finis AND <br /> CL Inorganic clays of low to medium <br /> GRAVELLY GM Silty gravels, gravel-sand-clay CLAYS 1 <br /> p asticFty gravelly clays sandy <br /> SOILS mixtures LL<50 clays, silty clays, lean clays <br /> COARSE GC GRAINED Clayey gravels gravel-sand-clay FINE OL Organic silts and organic Silt- <br /> GRAINED <br /> m,xtures clays of low plasticity <br /> SOILS SW Well-graded sands or gravelly MH Inorganic silts, micaceous or <br /> Sands. little or no fines SOILS SILTS diatomaceous fine Sandy or srFty <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 /> y } SANDY SM Sitty sands sand-silt mixtures LL>50 OH Organic clays of medium to high <br /> M CO 501LS plasticity <br /> L] C Sc Clayey sands sand-clay mixtures HIGHLY Pt Peat and other highly organic <br /> X j ORGANIC SOILS sod s <br /> U <br /> = <br /> w <br /> r 4 <br /> U a <br /> Q <br /> z <br /> 'm Standard penetration split spoon sample <br /> a <br /> Modified California sampler <br /> IShelby tube sample <br /> ® Water level observed in boring <br /> I <br /> No recovery <br /> N FWE No free water encountered <br /> NOTE The Imes 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 1 <br /> PREPARED FOR <br /> m 1984 IT CORPORATION <br /> m ALL COPYRIGHTS RESERVED Creating a Safer Tomorrow <br /> Do Not Sca+e This Drawing <br />