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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LISCS TYPICAL <br /> SYMBOL DESCRIPTIONS <br /> GW WELL-GRADED GRAVELS,GRAVEL-SAND <br /> CLEAN GRAVELS : MIXTURES WITH LITTLE OR NO FINES <br /> GRAVELS WITH LITTLE <br /> OR NO FINES <br /> ° POORLY-GRADED GRAVELS,GRAVEL-SAND <br /> (More than half of o G P MIXTURES WITH LITTLE OR NO FINES <br /> coarse fraction O <br /> is larger than <br /> the#4 sieve) GM SILTY GRAVELS,GRAVEL-SILT-SAND <br /> GRAVELS MIXTURES <br /> COARSE WITH OVER <br /> GRAINED 12% FINESGC CLAYEY GRAVELS,GRAVEL-SAND-CLAY <br /> SOILS MIXTURES <br /> (More than half S.W 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 /> 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 CLAYSINORGANIC CLAYS OF LOW TO MEDIUM <br /> CL <br /> 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 /> (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 <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 /> LOAMS UNDER USDA SOIL CLASSIFICATION SYSTEM, <br /> SOIL OF APPROXIMATELY EQUAL SAND/SILT/CLAY <br /> a' <br /> UNIFIED SOIL CLASSIFICATION SYSTEM pl_gTE <br /> MK L E IN F E L D E R FED EX FREIGHT WEST <br /> 4520 S. HIGHWAY 99 E. FRONTAGE 2 <br /> m Dratted By: GDG Project No.: 18492.601 STOCKTON, CALIFORNIA <br /> x Date: 7/17/2002 File Number: ST02GO50 <br /> cooy,gni a��.aw.iM.z°oa <br />