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69 <br /> DESCRIPTION MAJOR DIVISIONS <br /> Well-graded gravels,gravel sand mixtures,little or Clean gravels(little or no <br /> GW no fines fines) Gravel and gravelly <br /> CD <br /> \,\\„ <br /> •,\,,. soils <br /> Poorly-graded gravels,gravel sand mixtures,little o <br /> GP or no fines o <br /> More than 50%of <br /> �.. Silty gravels,gravel-sand-silt mixtures Sands with appreciable amount coarse fraction retained <br /> GM of fines on no.4 sieve y <br /> Clayey gravels,gravel-sand-clay mixtures <br /> GC s <br /> c <br /> Well-graded sands,gravelly sands,little or no fines Clean sand(little or no fines) <br /> SW Sands and sandy soils <br /> L <br /> Poorly-graded sands,gravelly sands,little or no va <br /> �.. SP runes More than 50%of <br /> coarse fraction <br /> Silty sands sand-silt mixtures passing no.4 sieve c <br /> SM Sands with appreciable amount <br /> v of fines <br /> Clayey sands,sand-silt mixtures ° <br /> 5C Rfl I U <br /> 6" Inorganic silts and very fine sands,rock flour,silty <br /> or clayey fine sands or clayey silts with slight <br /> ML plasticity <br /> 4. Liquid limit less than Silts and <br /> Inorganic clays of low to medium plasticity, 50 clays <br /> CL gravelly clays,sandy clays,silty clays,lean clays Cn <br /> 60 Organic silts and organic silty clays of low <br /> OL plasticity <br /> c� <br /> ° <br /> r.. Inorganic silts,micaceous or diatomaceous fine <br /> MH sand or silty soils <br /> C <br /> `n U <br /> > <br /> CH organic clays of high plasticity,fat clays Liquid limit greater than Silts .� <br /> clayso <br /> Organic clays of medium to high plasticity,organic U_ <br /> OH silts <br /> Peat,pumas,swamp soils with high organic Highly organic soils <br /> i.. PT contents <br /> t <br /> Unified Sail Classification <br /> � 1 <br /> Quality Control Inspection <br /> 4 Cx 0±rACallnve -Th5mgLlumloexs <br /> ! 1295\R=3UAw_DnWQ-Modern,CA95351 <br />