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i <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DESCRIPTION MAJOR DIVISIONS LTR DESCRIPTION <br /> GY Yell-graded gravels or gravel sand ML Inorganic silts and very fine <br /> m+xlures little or no fines sands rock flour silty or <br /> GRAVEL Gp poorly-graded gravels or 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 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 slit- <br /> GRAINED mixtures GRAINED clays of low plasticity <br /> SOILS Sid Well-graded sands or gravelly MH Inorganic silts micaceous or <br /> sands little of no fines SOILS diatomaceous fine sandy or silty <br /> SILTS Sols elastic silts <br /> SAND SP Poorly-graded sands or gravelly AND CH Inorganic clays of high plasticity <br /> AND sands little or no fines CLAYS fat clays <br /> SANDY SM Silty sands sand-sitt mixtures LL>50 OH Organic clays of medium to high <br /> SOILS plasticity <br /> SC Clayey sands sand-clay mixtures HIGHLY pt Peat and other highly organic <br /> ORGANIC SOILS soI1s <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 f <br /> No warranty is provided as to the continuity f <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 /> 1 <br /> ENVIEOgCIENCE DESIGNED BY = DRAWN BY = <br /> PROJECT NO : ISCALE3 DATE _ <br />