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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DESCRIPTIDN MJ OR DIVISIONS LTR DESCRIPTION <br /> GV Well-graded gravels or gravel sand AL Inorganic silts and very fine <br /> mixtures, little or no fines. sands, rock flour, silty or <br /> GRAVEL "LTS clayey fine sands or clayey silts <br /> GP Poorly'9raded gravels or gravel with slight plasticity. <br /> AND sand mixture, little or no fines. AND <br /> GRAVELLY GM Siltyravels, gravel-sand-clay CLAYS CL Inorganic clays of Itc to medium <br /> 9 9 Y Plasticity, grave lly clays, sandy <br /> SOILS mixtures. 11<50 clays, silty clays, lean clays. <br /> COARSE GC ClaytY 91ave1s, gravel-sand-clay FINE OL Organic silts and organic silt- <br /> GRAINED CHIMED <br /> mixtures. clays of for plasticity <br /> SW Yell-graded sands or gravelly MH Inorganic silts, micaceous or <br /> SOILS SOILS diataaaceous fine sand <br /> sands, little or no lines. SILTS Y or silty <br /> soils, elastic silts <br /> SAND SP Poorly-graded sands or gravelly AND <br /> sands. little or no fines. CN Inorganic clays of high plasticity. <br /> AND CLAYS fat clays. <br /> SANDY SM Silty sands, sand-silt mixtures. LD50 ON 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 soils. <br /> Standard penetration split spoon sample <br /> ' Modified California sampler <br /> IShelby tube sample <br /> Water level observed in boring <br /> a 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 /> J.H. KLEINFELDER & ASSOCIATES �� <br /> GEOTECHNICAL CONSULTANTS v MATERIALS TESTING <br /> BORING LOG LEGEND <br /> PREPARED BY: JHK& A DATE: 10-11-84 I <br /> CHECKED BY: RTH DATE: 10-11-84 PROJECT NO. S-2178-6 <br />