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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> USCS TYPICAL <br /> MAJOR DIVISIONS SYMBOL DESCRIPTIONS <br /> ' <br /> GW WELL GRADED GRAVELS GRAVEL SAND <br /> CLEAN GRAVELS MIXTURES WITH LITTLE OR NO FINES <br /> t WITH LITTLE � <br /> GRAVELS OR NO FINES <br /> °O G P POORLY GRADED GRAVELS GRAVEL SAND <br /> (More than half of o MIXTURES WITH LITTLE OR NO FINES <br /> coarse fraction Q <br /> ' Is larger than <br /> the#4 sieve) ° GM SILTY GRAVELS,GRAVEL SILT SAND <br /> GRAVELS MIXTURES <br /> COARSE WITH OVER <br /> ' GRAINED 12% FINES CLAYEY GRAVELS,GRAVEL SAND-CLAY <br /> SOILS GC MIXTURES <br /> ' (More than half SW WELL GRADED SANDS SAND GRAVEL <br /> of material CLEAN SANDS MIXTURES WITH LITTLE OR NO FINES <br /> Is larger than SANDS WITH LITTLE <br /> ' the#200 sieve) (More than half of OR NO FINES <br /> SP POORLY GRADED SANDS SAND GRAVEL <br /> coarse fraction MIXTURES WITH LITTLE OR NO FINES <br /> Is smaller than <br /> the#4 sieve) <br /> ' SM SILTY SANDS SAND-GRAVEL SILT MIXTURES <br /> SANDS WITH <br /> OVER 12% FINES <br /> SC CLAYEY SANDS SAND GRAVEL CLAY MIXTURES <br /> INORGANIC SILTS&VERY FINE SANDS <br /> 1 M L SILTY OR CLAYEY FINE SANDS <br /> CLAYEY SILTS WITH SLIGHT PLASTICITY <br /> SILTS AND CLAYS INORGANIC CLAYS OF LOW TO MEDIUM <br /> CL PLASTICITY GRAVELLY CLAYS SANDY CLAYS <br /> ' (Liquid limit less than 50) — SILTY CLAYS,LEAN CLAYS <br /> FINE <br /> GRAINED ORGANIC SILTS&ORGANIC SILTY CLAYS <br /> SOILS OL OF LOW PLASTICITY <br /> ' INORGANIC SILTS MICACEOUS OR <br /> (More than half VC <br /> of material DIATOMACEOUS FINE SAND OR SILT <br /> ' Is smaller than <br /> the#200 sieve) SILTS AND CLAYS INORGANIC CLAYS OF HIGH PLASTICITY <br /> (Liquid limit greater than 50) FAT CLAYS <br /> ORGANIC CLAYS&ORGANIC SILTS <br /> OF MEDIUM TO HIGH PLASTICITY <br /> I i <br /> a r, <br /> HIGHLY ORGANIC SOILS L L PT PEAT, HUMUS SWAMP SOILS WITH HIGH <br /> ORGANIC CONTENT <br /> M <br /> a <br /> UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> k" KL E I N F E L D E R COUNTRY CLUB TRUNK SEWER PROJECT <br /> FRANKLIN SITE AREA <br /> N STOCKTON, CALIFORNIA A-1 <br /> Drafted By GDG Protect No 28699 E01 <br /> c Date 51712003 Frole Number STO3G119 <br /> i ' x <br /> Capy'.ghr Kleinfelder Int 2°°3 <br />