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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS USCS TYPICAL <br /> SYMBOL DESCRIPTIONS <br /> 6. <br /> GW WELL-GRADED GRAVELS,GRAVEL-SAND <br /> CLEAN GRAVELS : MIXTURES WITH LITTLE OR NO FINES <br /> GRAVELS WITH LITTLE <br /> L OR NO FINES <br /> (More than half of Q GP MIXOT'RURES WITTHLY-GRADED TTLE OR NOFINES VEL-SAND <br /> coarse fraction <br /> is larger than <br /> it. 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 po GC MIXTURES <br /> (More than halfS.W WELL-GRADED SANDS,SAND-GRAVEL <br /> of material SANDS CLEAN SANDS MIXTURES WITH LITTLE OR NO FINES <br /> is larger than WITH LITTLE <br /> L 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 /> LSM 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 /> ML SILTY OR CLAYEY FINE SANDS, <br /> CLAYEY SILTS WITH SLIGHT PLASTICITY <br /> SILTS AND CLAYS CL INORGANIC CLAYS OF LOW TO MEDIUM <br /> L PLASTICITY,GRAVELLY CLAYS,SANDY CLAYS, <br /> FINE (Liquid limit less than 50) SILTY CLAYS,LEAN CLAYS <br /> GRAINED _ ORGANIC SILTS&ORGANIC SILTY CLAYS <br /> SOILS OL OF LOW PLASTICITY <br /> L <br /> (More than half MH SILTS,MICACEOUS OR <br /> of material DIATOMACEOUS FINE SAND OR SILT <br /> is smaller than <br /> ` the#200 sieve) SILTS AND CLAYS <br /> CH FAT <br /> CLAYS OF HIGH PLASTICITY, <br /> (Liquid limit greater than 50) FAT CLAYS <br /> OH ORGANIC CLAYS&ORGANIC SILTS <br /> OF MEDIUM-TO-HIGH PLASTICITY <br /> LE7 HIGHLY ORGANIC SOILS PT PEAT,HUMUS,SWAMP SOILS WITH HIGH <br /> ORGANIC CONTENT <br /> Ib. <br /> UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> k4 KLEINFELDER SHEA PROPERTY <br /> L ° CHRISMAN AND VERNALIS ROADS <br /> TRACY, CALIFORNIA 2 <br /> Drafted By: GDG Project No.: 47799:G01 <br /> L x Date_ 9/1/200.4 _ File Number: ST04G201 <br /> =uIAYIY�4.xileMel.YY:[!4d <br />