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'I UNIFIED SOIL CLASSIFICATION SYSTEM <br /> r <br /> USCS TYPICAL <br /> MAJOR DIVISIONS SYMBOL DESCRIPTIONS <br /> " L GW WELL-GRADED GRAVELS,GRAVEL-SAND <br /> CLEAN GRAVELS MIXTURES WITH LITTLE OR NO FINES <br /> WITH LITTLE <br /> GRAVELS OR NO FINES <br /> POORLY-GRADED GRAVELS,GRAVEL-SAND <br /> (More than half of o GP MIXTURES WITH LITTLE OR NO FINES <br /> coarse fraction <br /> is larger than <br /> the#4 sieve) GM SILTY GRAVELS,GRAVEL-SILT-SAND <br /> GRAVELS MIXTURES <br /> i COARSE WITH OVER <br /> ■ GRAINED 12% FINES GG. CLAYEY GRAVELS,GRAVEL-SAND-CLAY <br /> ll SOILS MIXTURES <br /> N WELL-GRADED SANDS,SAND-GRAVEL <br /> (More than half .SW <br /> of material CLEAN SANDS of <br /> WITH LITTLE OR NO FINES <br /> is larger than SANDS WITH LITTLE <br /> L the#200 sieve) (More than half of OR NO FINES SP POORLY-GRADED SANDS,SAND-GRAVEL <br /> coarse fraction MIXTURES WITH LITTLE OR NO FINES <br /> is smaller than <br /> the#4 sieve) <br /> J <br /> SANDS WITH SM SILTY SANDS,SAND-GRAVEL-SILT MIXTURES <br /> OVER 12% FINES <br /> SC CLAYEY SANDS,SAND-GRAVEL-CLAY MIXTURES <br /> INORGANIC SILTS&VERY FINE SANDS, <br /> ML SILTY OR CLAYEY FINE SANDS, <br /> CLAYEY SILTS WITH SLIGHT PLASTICITY <br /> SILTS AND CLAYS CL INORGANIC CLAYS OF LOW TO MEDIUM <br /> 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 /> (More than half MH INORGANIC SILTS,MICACEOUS OR <br /> of material DIATOMACEOUS FINE SAND OR SILT <br /> is smaller than <br /> the#200 sieve) SILTS AND CLAYS <br /> CH INORGANIC CLAUS OF HIGH PLASTICITY, <br /> (Liquid limit greater than 50) FAT CLAYS <br /> OH ORGANIC CLAYS&ORGANIC SILTS <br /> OF MEDIUM-TO-HIGH PLASTICITY <br /> — HIGHLY ORGANIC SOILS PT ORGAN C US,SWAMP SOILS WITH HIGH <br /> -- UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> K L E I N F E L D E R LATH SOUTH CALIFORNIAY ROAD <br /> I � i LATHROP, IFORNI <br /> Drafted By: G. GOMEZ Project No.: 52251.G01 <br /> Y Date: 2/10/2005 File Number: ST05G024 <br /> Ic°°ypm me�reweinc zma <br />