Laserfiche WebLink
.. - <br /> - _ wwn <br /> All <br /> Unified Soil Classification System <br /> 1 <br /> Groep <br /> Primary Divisions Symbol/Graphic Typical Names <br /> COARSE GRAVELS CLFAN ° <br /> i ---------- <br /> GRAINED G well graded gravels, gravei-sand mixtures; little or no fines <br /> w` GRAVELS ° <br /> SOILS haft of x <br /> coarse ° <br /> fraction (fess than G p c poorly graded gravels or grave!-sand mixtures; little ar no e <br /> r- more than 5% fines) ° fines <br /> half is larger than <br /> larger than '*4 sieve <br /> r*"200 sieve GRAVEL G M c o Silty gravels, gravel-sand-silt mixtures <br /> WITH <br /> 1� FINES <br /> G C Clayey gravels, gravel-sand-clay mixtures <br /> SANDS <br /> CLEAN S W Well graded sands, gravelly sands, little or no fines i <br /> SANDS <br /> half of <br /> comae {less than <br /> fractfan5% fines) S P pcaofi' graded sands or gravelly sands, little or no fines ! <br /> smaller ; <br /> ± : <br /> F than -4 <br /> sieve SANDS S M jj Silty sands, sane!-sift mixtures <br /> i WITH <br /> ` FINES SC Clayey sands, sand-clay mixtures, plastic fines <br /> �w <br /> FINE SILTS AND CLAYS ML Inorganic silts and very fine sand, rock flour, silty or clayey i <br /> GRAINED fine sands or clayey slits, with slight plasticity <br /> �I SOILS liquid limit <br /> {moi <br /> les!, than SflgQ CL Inorganic clays of low to !medium plasticity, gravelly clays, <br /> more than sandy clays, silty clays, lean clays <br /> haft is <br /> smaller OL Organic sifts and organic silty clays of low plasticity <br /> than ;COQ : <br /> sieve SILTS AND CLAYS M f�C Inorganic silts, micaceous or diatomaceous fine sandy or silt} ' <br /> ,; I1 soils, elastic sifts <br /> liquid limit <br /> -x more Irian 50% CH Inorganic clays of high plasticity, far clays <br /> 1 <br /> OH Organic clays of medium to high plasticity, organic sifts i <br /> k HIGHLY QRGANIC SOILS e <br /> Pt �•r� P_st and other highly organic sails <br /> Pacific Environmental group, Inc.;i r <br /> : n asrewmn�o�s <br />