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1 <br />1 <br />1 <br />o <br />D <br />c <br />' O <br />v ~. <br />tx m <br />1 <br />1 <br />U <br />C <br />C <br />0 <br />ro <br />U <br />a <br />s~ <br />m <br />_ r.+ <br />m <br />W <br />00 <br />i y <br />' ~ E <br />0 <br />N Z <br />~ ~ 0., <br />~ ~ <br />u1 <br />a w <br />' ~ N <br />a m .~ <br />'a E <br />u ~ <br />Y Z <br />V <br />' u ~ <br />L ~ <br />m U <br /> <br />1 <br />PLATE 4 <br />MAJOR DIVISIONS SYMBOLS TYPICAL NAVIES <br /> o: <br /> GW e. Well graded gravels or grarelsnd mizlraee, little or ro fine <br /> GRAVELS <br /> <br />d ~:b: <br /> . GP d:i;: Poorly graded gravels or gravel-und miztrres, Gttle or no Gnes <br />~ a+ :~!: <br /> <br /> <br />0 o <br />~ (Afore than K of <br /> <br />G <br />i <br />) <br />GM <br />Silty gravels, gravel-Bald-silt mixtures <br />e <br />~ coarse <br />eg <br />on <br />~ . no. 4 sieve eiu) <br />Z ~ GC Clayey gravels, gravel-®ndclay mixtten <br />Q n <br />C ~ <br />U ${Y Well graded node a gravelly nrde, little or ro Cmee <br />~ ° SANDS <br />N Y <br />~ ~.° SP Poorly graded Banda or graveDy node, tittle or no fines <br />U <br />m <br />` <br />o <br />`~' (More than K of <br />marx [ragbn ( <br />SM <br />Silty undo, nrd-eih mixtures <br /> no. 4 sieve size) <br /> SC Cayey nods, nndtlay miztraee <br />~ <br />ML Inorganic Bike and very fine node, rode [bra, silty or clayey <br />' <br />~ 1,... rands or clayey silts with sl <br />ght plaatidty <br />u SILTS & CLAYS <br />~ <br />. <br />.1 n <br />CL Irorganic days o[ bw to medium plutidty, gravelly ehye, <br />0 e candy ehye, silty c6ye, lean days <br />~° LL<50 <br />n ' <br />Z ~ OL ~ I I <br />~I~i~i Organic silts and organic silty days of bw plaetidly <br />V III <br />ay. '$ MH Irorganic silts, miaerow or d'ulomaoeous fine sandy or silty <br />~ ~ SILTS 8 CLAYS voila. elastic silts <br />m <br />=~ <br />z <br />ts, g _ <br />CH <br />Inorganic clays o[ high plastidty, tat days <br /> LLB 50 <br /> , <br />~ OH ~~i Organic da ye of medium to high plastidty, organic silty days, <br />~. <br />ii <br />organic silts <br /> <br /> <br />HIGHLY ORGANIC SOILS Pt Pct and other highly organic wits <br /> <br />CLASSIFICATION CHART <br />(Ural rleo 5011 Classl/lratlon System) <br /> RANGE OF GRAIN SIZES <br />CLASSI FICATIO U. S. Standard Grain Size <br /> Sieve Size in Millimeters <br />BOULDERS Above 12" Above 305 <br />COBBLES 12" to 3" 305 to 76.2 <br />GRAVEL 3" to No. 4 76.2 to 4.76 <br />coarse 3" to Y.' 76.2 to 19.1 <br />vine v." to No. 4 19.1 to 4.76 <br />SAND No. 4 to No. 200 4.76 to 0.074 <br />coarse No. 4 to No. 10 4.76 to 2.00 <br />metllum No. 30 to No. 40 2.00 to 0.420 <br />floe No. 40 to No. 200 0.42010 0.074 <br />SILT &CLAY Below No. Zoo Below o.07a <br />x so <br />W <br />D <br />Z 40 <br />F 30 <br />u <br />a 20 <br />a <br />n 30 <br /> <br /> CH <br /> o <br />~C <br /> y <br /> ,•P <br /> CL OH <br /> <br /> a <br /> MH <br />7 <br />4 - ML60 <br />I <br />I <br />~0 30 20 30 40 50 60 70 60 90 100 <br />LIQUID LIMIT <br />PLASTICITY CHART <br />GRAIN SIZE CHART <br />~a~~~or~ ors ~~o~ c~~~a~~u~o~Q~u~~ <br />