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MAJOR DIVISIONS GRAPHIC LETTER TYPICAL DESCRIPTIONS <br /> SYMBOL SYMBOL <br /> GW Weltsmalod gravels.gravel-sena <br /> GRAVEL AND mixtures,little or no H"&$ <br /> GRAVELLY CLEAN GRAVELS <br /> SOILS <br /> Poorlyedea Ie,gravelaana <br /> P. �J::::a:?:r' GP -ggrave <br /> :'.'a-ygmixtures,tune or no lines <br /> GM silty gravels,gravel-sand-slit <br /> COARSE More than 50%of mixture. <br /> GRAINED SOILS coarse fraction GRAVELS WITH <br /> retained on No. 4 FINES <br /> Clayey gravels,gravel-sena-clay <br /> sieve GC mlxtares <br /> SW Well-gndad sands,gravelly sande. <br /> him or no if... <br /> More than 50%of SAND AND CLEAN SAND <br /> material is larder SANDY SOILS (Little or no fines) peony-graded sands,gravelly <br /> than No. 200 SP <br /> aaantla, little or no linea <br /> .lave lae <br /> SM silty asnaa.sa "Ift mlauns <br /> More than 50%of SAND WITH FINES <br /> coarse fraction (.ppraciable <br /> as�g No.4 Sieve amount of fines) <br /> SC Clayey asnaa,sena-olsy mixtures <br /> Inorganic slits and very fine sande. <br /> ML ruck flour,silty or Clayey fine sands <br /> r clayey Silts with alight plasticity <br /> FINE-GRAINED LIQUID LIMIT Inorganic clays of low to medium <br /> SOILS LESS THAN 50 CL plazticlly,gravelly drys,sandy <br /> clays,silly clays,lean clays <br /> 1 1 1 1 1 1 1 1 Organic slits and organic silty <br /> I I I 1 1 1 1 1 OL clays Of law plasticity <br /> SILTS AND I I I <br /> CLAYS inorganic silty.mI....Co .or <br /> MH diatomaceous fine sand or <br /> Silty sons <br /> More than 50% of LIQUID LIMITCH Inorganic clays of high plasticity, <br /> material is ; GREATER THAN 50 fat clays <br /> than No. 200 <br /> sieve Size <br /> ON organic clays of medium to high <br /> plasticity.organic silts <br /> yyyYy.Y <br /> HIGHLY ORGANIC SOILSy`r'Y`r`r`r peat'humus•swamp Soria with <br /> YYYYYY PT high.,genie...tests <br /> YYJYYY <br /> r.r.v.v.v.v.r. <br /> VARIOUS SOILS AND MAN MADE MATERIALS Fill Materials <br /> MAN MADE MATERIALS Asphalt and Concrete <br /> Earth Systems Consultants PombolChevron SOIL CLASSIFICATION SYSTEM <br /> l�/ Northern CalNamla Tracy,urtmomia Figure AI <br />