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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DESCRIPTION MAIOR DIVISIONS LTR DESCRIPTION <br /> G W Well-graded gravels or gravel sand mixtures,little orM L Inorganic sifts and vary fine sands,rock flour, <br /> no fines. silly or clayey fee sands or clayey sifts with <br /> GRAVEL Poorly-graded gravels or gravel sand mixture,little SILTS slight plasticity <br /> AND G P or no fines. AND Inorganic clays of low to medium plasticity, <br /> GRAVELLY CLAYS C L gravelly clays,sandy clays,silty clays,loan <br /> SOILS G M Silly gravels,gravel-sand-silt mixtures. LL<5o clays. <br /> O L Organic silts and organic sift-clays of low <br /> COARSE G C Clayey gravels,gravel-sand-clay mixtures. FINE plasticity. <br /> GRAINED GRAINED <br /> SOILS SAND S W fines, SILTS <br /> sands or gravelly sands,little or no SOILS M H Inorganic sifts,micaceous or diatomaceous <br /> SILTS fire or sxtty soils,elastic sifts. <br /> AND S p, Poorly-graded sande or gravelly sands,little or no AND <br /> SANDY fines. CLAYS C H Inorganic clays of high plasticity,fat clays. <br /> SOILS LL>50 <br /> S M Silty sande,sand,and sift mixtures. O H Organic clays of medium to high plasticity. <br /> S C Clayey sands,and clay mixtures. HIGHLY ORGANIC SOILS P t Peat and other highly organa:soils. <br /> Standard penetration split spoon sample <br /> Modified California sampler <br /> I Shelby 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 /> K L E IN F E L D E R BORING LOG LEGEND <br /> II <br /> PROJECT NO. 20-2182-25 <br /> M-12 (9/88) <br /> rI . <br />