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M` '19EM-1114 MEN <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVIStONS LTR DESCRIPTION MAJOR OIVt$IONS LIF DESCRIPTION <br /> z w Gw well-graded gravels or gravel sand nL inorganic silts and very fine <br /> 3:m mixtures, little or no fines. sands, rock flour, silty or <br /> ¢L GRAVEL SILTS clayey fine tands or claryev slits <br /> 2 7 GP Poorly-graded gravels or gravel with slight plasticity. <br /> O Z AND sand mix!urr, lilt!, or no float• AND <br /> ravel-sand-ela CLAYS CL Inorganic clays of lone to r,di,. <br /> GRAVELLY <br /> OM Silty 9ravel3. 9 Y plasticity. Sri"I ly clays. sandy - <br /> SOILSmixtures. LLcSO clays. silty clays. tea.clays. ' <br /> 4 <br /> COARSE GC Clayey travels. gravel-Sand-Ciao FINE OL Organic silt} and organic Silt- <br /> GRAINED GRAINED ixlures- clays of low Plasticity <br /> - <br /> SOILS SN well-graded sanas ar gravelly SOILS na knor genic sills, micaceous or <br /> sands, little 9r no fines. S]LTS dia[omauoas fine sandy or silty <br /> toils. elaseie silts <br /> Spho SP Poorly-graded sands or gravelly AND <br /> AND sands. little er n0 fines. CLAYS CN In.fit CH <br /> clays of high Plasticity, <br /> y SANDY SM Silty sands. sand-slit mixtures• LL>50 OH Organic clays of medium to high - - <br /> }LO SOILS Plaiticity. - <br /> m <br /> () SC rlarty sands. sand-e1+y miitures. HIGHLY Pt Peat and Otntr highly organic <br /> Lij ORGANIC SOILS soils. <br /> y O <br /> L)O <br /> aStandard penetration split spoon sample <br /> Q <br /> n <br /> Modified California sampler <br /> IShelby tube sample <br /> 0 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 1 <br /> PREPARED FOR <br /> 1984 IT CORP-.)RATION <br /> : ALL COPYRIGHTS RESERVED ••.Creating a Safer Tomorrow <br /> 00 Not SCaie Thu Ofa..nq - <br />