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� L � <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> 6. <br /> MAJOR DIVISIONS USCS TYPICAL <br /> SYMBOL DESCRIPTIONS <br /> L <br /> ' G W WELL-GRADED GRAVELS,GRAVEL-SAND <br /> CLEAN GRAVELS : MIXTURES WITH LITTLE OR NO FINES <br /> GRAVELS WITH LITTLE <br /> OR NO FINES <br /> °C� POORLY-GRADED GRAVELS,GRAVEL-SAND <br /> (More than half of o GP MIXTURES WITH LITTLE OR NO FINES <br /> coarse fraction O <br /> is larger than <br /> k. 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 /> 4 (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) <br /> (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 /> SM SILTY SANDS,SAND-GRAVEL-SILT MIXTURES <br /> V SANDS WITH <br /> OVER 12% FINES <br /> SC CLAYEY SANDS,SAND-GRAVEL-CLAY MIXTURES <br /> 6. <br /> INORGANIC SILTS-8 VERY FINE SANDS, <br /> M L SILTY OR CLAYEY FINE SANDS, <br /> LCLAYEY SILTS WITH SLIGHT PLASTICITY <br /> SILTS AND CLAYSINORGANIC CLAYS OF LOW TO MEDIUM <br /> CL <br /> PLASTICITY,GRAVELLY CLAYS,SANDY CLAYS, <br /> L FINE <br /> (Liquid limit less than 50) SILTY CLAYS,LEAN CLAYS <br /> — <br /> GRAINED _ ORGANIC SILTS 8 ORGANIC SILTY CLAYS <br /> SOILS OL OF LOW PLASTICITY <br /> V <br /> (More than halt MH INORGANIC SILTS,MICACEOUS <br /> of material DIATOMACEOUS FINE SAND OR SILT <br /> is smaller than <br /> the#200 sieve) SILTS AND CLAYS <br /> C I„I INORGANIC CLAYS OF HIGH PLASTICITY, <br /> (Liquid limit greater than 50) FAT CLAYS <br /> OH OF MEDT UM-TTO H GH PLASTICITY SILTS <br /> `. HIGHLY ORGANIC SOILS ' pT PEAT,HUMUS,SWAMP SOILS WITH HIGH <br /> da <br /> ORGANIC CONTENT <br /> m UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> k" K L E I N F E L D E R ROGERS TRUCKING <br /> MUNFORD AVENUE /� <br /> 6. ----- STOCKTON, CALIFORNIA A- 1 <br /> ti Drafted By. GDG Project No.: 35228.601 <br /> I <br /> Y <br /> Date: 10/8/2003 File Number: ST03G229 <br /> CopV,iO„Flvninlnp, Inc�9C3 <br /> L <br />