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� 1 <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> IN loll NVloii <br /> DIVISIONS LIN STseOI DESCIIIfT10N DIVISIONS ITR ST eft DESCRI"JON <br /> CY O hell-graded gravels or gravel sandInorganic slits and very fine <br /> b wlxturss little or no fines OqL tends, rock flour, silty or <br /> GNAY[L Mlayty fine sands or clayey siltsOorly-graded gravels or grave) SILTS with slight plasticsty <br /> AND ,a sand wltturs, little Or no fines AND Inorganic clays of low to mdsw <br /> CLAYS Ct lasticity. grav011y clays. sandy <br /> RAVELLY IM141 ty gravels, gravel-sand-silt lays. slily clays. laaa clays <br /> I.S.I.,turts LL40 <br /> SOILS 1 alc silt$ and organic silt- <br /> COARSE GC wlayty gravels. grsvel-sand-clay FINE OL 111 lays of low plasticity <br /> INED GRAINED <br /> SOILS SY . Well-graded sands or ravtlly SOILS Mi Inorganic slits. wicaceous or <br /> sands. little or no flSLITS ats latowactous fine sandy or silty <br /> AND /1 1 1silts <br /> SAND SO Poorly-praded fads or gravelly Inorganic clays of high plasticity. <br /> A>m sands. tittle or no flats CLAYS CN fat clays <br /> Ll ASO <br /> SAMT SN Silty sands. sand-silt mixtures ONgenii clays Of wedius to high <br /> SOILS lastltit , organic silts <br /> X Clayey ands. sand-clay mixtures M1GI�T /t eat and other highly Organic <br /> ORGARIC SOILS its i <br /> aStandard Penetration Split Spoon Sample <br /> ' Modified California Sampler <br /> IShelby Tube Sample <br /> Water Level Observed in Fora <br /> _ ng <br /> Pio Recovery <br /> b No Free grater Encountered <br /> PP Pocket Penetrometer ( field) <br /> NOTE. The lines separating strata on the logs repre- <br /> sent approximate boundaries onlv . The actual <br /> transition may be gradual. No warranty is pro- <br /> vided as to the continuity of soil strata between <br /> borings. Logs represent the soil section observed <br /> at the boring location on the date of drilling <br /> only <br /> rPROJECT <br /> & CHc ASS ARS 3ORING � , GI PA, GFN �i PAS <br /> ARCO <br /> NO. 1525--.10 ' X <br /> DATE= �fa7/$'� s�roc[c��e crl�..FORM4-A <br />