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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DESCRIPTION MAJOR DIVISIONS LTR DESCRIPTION <br /> G W Well-graded gravels or gravel sand mixtures,frrtk orM L Inorganic sifts and very fine sands,rock flour, <br /> no fines. silty or clayey fine sands or clayey sifts with <br /> GRAVEL G P SILTS slight plasticity. <br /> Poodyyraded gravels or gravel sand manure,little <br /> AND or no tines. AND Inorganic clays of low to medium plasticity, <br /> GRAVELLY CLAYS C L gravelly clays,sandy clays,silty clays,lean <br /> SOLS G M Silty gravels,graveFsand-sift manures. LL<50 clays. <br /> O L Organic silts and organic silt-clays of low <br /> COARSE G C Clayey gravels,gravel-sand-clay mixtures FINE plasticity. <br /> la ity. <br /> GRAINED GRAINED <br /> SOILS S W Welfyraded sands or gravely sands,link or no SOILS M H Inorganic silts,micaceous or diatomaceous <br /> SAND fines_ SILTS fine or silty soils,elastic silts. <br /> AND S P Poory-graded sands or gravely sands,little or no AND C H Inorganic clays of high plasticity,fat clays. <br /> SANDY fines. CLAYS <br /> SOILS LL>50 <br /> S M Silty cards,sand,and sift mixtures. O H Organo clays of medium to high plasUclty. <br /> S C Clayey sands,and clay mixtures. HIGHLY ORGANIC SOILS P t I 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" K L E 1 N FELDER BORING LOG LEGEND A-2 <br /> PROJECT NO. 20-3514-01 <br /> M-12 (9/88) <br />