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NOTE: WAL SYMBOLS ARE USED TO INDICATE BORDERLINE SOIL CLASSIFICATIONS. <br />SOIL CLASSIFICATION CHART <br />UNIFIED SOIL CLASSIFICATION SYSTEM <br />"^TMKS a MOOR■ <br />PE ATF A - 9 <br />GRAPH <br />LErrER <br />MAJOR DIVISIONS <br />TYPICAL DESCRIPTIONS <br />SYMBOL <br />SYMBOL <br />'Tw <br />LLL•GRADLD GRAVELS. GRAVEL - <br />GRAVEL <br />a"' <br />*:::'.: •:.• <br />GIN <br />SAND MIXTURES, LITTLE OR <br />ANO <br />CLEAN GRAVELS <br />.>: ....... <br />NO FINES <br />(SOILS Y <br />(LITTLE OR NO <br />.. <br />SOILS <br />fIMCS) <br />POORLY -GRADED GRAVEL S, ORAV(L• <br />GP <br />SAND MIXTURES. LITTLE W <br />COARSE <br />NO FINES <br />GRAINED <br />SOILS <br />CNM <br />SILIY OpA VE CRAVCL-SAND- <br />THAN 50x <br />SILT YIR TURES <br />OF CLS, <br />FRAC-GRAVELS <br />OARSE F <br />CON <br />(RAVELS WITH FINES <br />T THIN <br />TI <br />AN UN( <br />ON N0.. 4 SIEVE <br />Of FINES) <br />GG' <br />CLAYEY GRAVELS,GRAVEL-SAND- <br />CLAY MIXTURES NIRTURES <br />SIN <br />SANDS, GRAVELLY <br />SAND <br />SANDS, LITTLE ON NO FINES <br />SANDS, <br />AND <br />CLEM1 SAND (LITTLE <br />' <br />SANDY <br />OR NO FINES <br />SOILS <br />SP <br />POOIILY-GRADED SANDS, CRAY4LY <br />MORE THAN SO$ <br />SANDS. LITTLE ON NO FINES <br />Of MATERIAL IS <br />THAN NO. <br />200 SIEVE SILO <br />SM <br />SILTY SANDS. SAND -SILT MIXTURES <br />NOR` THAN 50% <br />SANDS WITH FINES <br />Of COARSE FRAC- <br />(APPRECIABLE AMOUNT <br />TION PASSING <br />Or FINES) <br />No. 4 SICVC <br />SC <br />CLAYEY SANDS. SAND -CLAY MIAIU0.[S <br />INORGANIC SILTS AND VERY FINE <br />ML <br />ADS.FOCR FLOOR, SILTY W <br />CLAYEY FINE SANDS O0. CL AY(V <br />SILTS NI TMSLIGHT RAST I CITr <br />FINE <br />SILTS <br />INORGANIC CLAYS Or LON TO NCCIUN <br />TRINE <br />AND LI WID LIMIT <br />C�' <br />PLASTIC I Tr, GRAVELLY CLAYS, <br />SOILS <br />CLAYS LES THAN $O <br />SANDY CLAYS, SILTY CLAYS. LEAN <br />CLAYS <br />1 I I <br />0L <br />ORGANIC SILTS AXD ORGANIC <br />III <br />SILTY CLAYS Or LDM PLASTICITY <br />INORGANIC SILTS. MICACCOUS OR <br />MH <br />DI ATOMACCOUS FINC SAND OR <br />SILTY SOILS <br />MORE TN.W 50% <br />SILTS <br />Of MATCNIAL IS <br />AND LI SLID LTHAN <br />INORGANIC CLAYS Or NI GN <br />jIJ THAN NO. <br />CLAK GREAhR THAN SO <br />C H <br />PLASTICI TV. fAt GUYS <br />21G{i SIEVE SI2E <br />OH <br />ORGANIC CLAYS Or MEDIUM TO HIGH <br />PLAST ICITV, ORGANIC SILTS <br />HIGHLY ORGANIC SOIL$BEAT, <br />PT <br />HUMUSr SNAMP SOILS <br />NITX HIGH ORGANIC CONTENTS <br />NOTE: WAL SYMBOLS ARE USED TO INDICATE BORDERLINE SOIL CLASSIFICATIONS. <br />SOIL CLASSIFICATION CHART <br />UNIFIED SOIL CLASSIFICATION SYSTEM <br />"^TMKS a MOOR■ <br />PE ATF A - 9 <br />