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1 <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br />' MAJOR DIVISIONS USCS TYPICAL <br /> SYMBOL DESCRIPTIONS <br /> GW WELL-GRADED GRAVELS GRAVEL SAND <br /> CLEAN GRAVELS == MIXTURES WITH LITTLE OR NO FINES <br /> WITH LITTLE <br /> GRAVELS OR NO FINES GP POORLY GRADED GRAVELS GRAVEL SAND <br />' (More than half of MIXTURES WITH LITTLE OR NO FINES <br /> coarse fraction <br /> Is larger thanGM SILTY GRAVELS GRAVEL SILT SAND <br /> the #4 sieve) GRAVELS MIXTURES <br />' COARSE WITH OVER <br /> GRAINED 12% FINES GC CLAYEY GRAVELS GRAVEL SAND CLAY <br /> SOILS MIXTURES <br />' (More than half _- WELL GRADED SANDS, SAND GRAVEL <br /> of material - SW MIXTURES WITH LITTLE OR NO FINES <br />' <br /> Is larger than CLEAN SANDS -- <br /> the #200 sieve) WITH LITTLE <br /> SANDS OR NO FINES SP POORLY GRADED SANDS SAND GRAVEL <br /> (More than half of MIXTURES WITH LITTLE OR NO FINES <br /> coarse fraction <br /> is smaller than SM SILTY SANDS SAND GRAVEL SILT MIXTURES <br /> the #4 sieve) SANDS WITH <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 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 OL ORGANIC SILTS&ORGANIC SILTY CLAYS <br /> SOILS OF LOW PLASTICITY <br /> (More than half INORGANIC SILTS MICACEOUS OR <br /> of material MH DIATOMACEOUS FINE SAND OR SILT <br /> Is smaller than <br /> the #200 sieve) SILTS AND CLAYS INORGANIC CLAYS OF HIGH PLASTICITY <br /> CH FAT CLAYS <br />' (Liquid hmrt greater than 50) <br /> Ohl ORGANIC CLAYS& ORGANIC SILTS <br /> OF MEDIUM-TO HIGH PLASTICITY <br /> LOAMS UNDER USDA SOIL CLASSIFICATION SYSTEM <br /> SOIL OF APPROXIMATELY EQUAL SANDISILT/CLAY <br /> m <br /> k4KLEIN FELDE R UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br />' Q GENERAL MILLS FACILITY <br /> o Drafted By DWA ProjectNo 20 141716 E01 2000 WEST TURNER ROAD /q— <br /> Y Date 4/15199 File Number LODI, CALIFORNIA <br />' Copyright Kleinfelder Inc 1999 <br /> r <br />