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UNIFIED SOIL CLASSIFICATION SYSTEM MJ00. DIVISIONS LTR DESCRIPTION MJOR DIVISIONS LTR OESCRIPTI ON GW Well-graded gravels or gravel and ML Inorganic silts and very find I or no fines. sands, rock flour, silty or mint uses_ clayey fine sands or clayey tilts GRAVEL -------- SILTS Gp Poorly-graded gravels or gravel with slight plasticity. AND AND sand mixtm<. little or no fines. CL Inorganic clays of low 1. mddi.m CLAYS GRAVELLY Ln Silty gra v<Is. 9 CLplasticil ravel) cla t, %and ravel-sand-clay Y. Y lily,, Y xmres. LL<50 clays, silty cla Yt, lean clays. SOILS GC Clayey gravels, gravel-sand-clay FINE OL Organic tilts and organic silt- COARSE .tures Inorganic clays of le-, plasticity GRAINED m, GRAINED mica[.... or AN 9a^�is silts, SW Well-graded sands or gravelly SOILS dia,dn,,d out fine sandy .r silty SOILS sands, little or no fines. SILIS soils, elastic %il n SAND SP P..,IY-gradad sands .1 gravellY AND CH Ino r panic clays of high plasticity. AND sands, little or no finds. CLAYS fat clays. SANDY Sm Silty sands. t-rd-,ilt mi.tures. LLp50 ON 0rga^ie clay, of medium to high plasticity. SOILS H ICML Y P Pert and other highly organic SC f1 yy CY san os, tan d-clay mixt urct• ORGANIC SOILS soils. Standard penetration split spoon sample Modified California sampler IShelby tube sample V Water level observed in boring No recovery NFWE No 'free water encountered NOTE: The lines separating strata on the logs represent approximate boundaries only. The actual transition may be gradual . No warranty is provided as to the continuity of soil strata between borings. Logs represent the soil section observed at the boring location on the date of drilling only. PLATE J.H. KLFINFELDER & ASSOCIATES CECSIECH% ICAL COHSUt1AHTS • aaAI1RIALS IITIIrNC I1 BORING LOG LEGEND PREPARED BY: SFD DATE: 6-15-87 CHECKED BY: DATE: PROJECT NO. 20-2425-01