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I, UNIFIED SOIL CLASSIFICATION SYSTEM 11 <br />1 <br />(CL) j <br />Inorganic clays of low to medium plasticity, gravelly clays, sandy clays, silty clays, lean clay: <br />(SW) <br />Well graded sands and gravelly sands, little or no fines <br />(SP) <br />Poorly graded sands and gravelly sands, little or no fines <br />(GW): <br />Well graded gravels and gravel —sand mixtures, little or no fines <br />(SC) ' <br />Clayey sands, sand —clay mixtures <br />(GC) ; <br />Clayey gravels, gravel— sand —clay mixtures <br />(SM) : <br />Silty sands, sand —silt mixtures <br />(OL) <br />Organic silts and organic silty clays of low plasticity <br />(OH) <br />Organic clays of medium to high plasticity <br />(Pt) <br />Peat, muck, and other highly organic soils <br />(ML) <br />Inorganic silts, rock flour, silty or clayey fine sand <br />(CH) <br />Inorganic clays of high plasticity, fat clays <br />(MH) <br />Inorganic silts, micaceous or diatomaceous silts. elastic silts <br />(GP) <br />Poorly graded gravels and gravel —sand mixtures, little or no fines <br />(GM) <br />Silty gravels, gravel— sand —silt mixtures <br />Page 41 <br />