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C <br /> L .i <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> L <br /> MAJOR DIVISIONS USCS TYPICAL <br /> SYMBOL DESCRIPTIONS <br /> G W WELL-GRADED GRAVELS,GRAVEL-SAND <br /> CLEAN GRAVELS MIXTURES WITH LITTLE OR NO FINES <br /> r WITH LITTLE 41 <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 O <br /> is larger than <br /> the#4 sieve) ISM SILTY GRAVELS,GRAVEL-SILT-SAND <br /> GRAVELS MIXTURES <br /> COARSE WITH OVERer <br /> GRAINED 12% FINES GC CLAYEY GRAVELS,GRAVEL-SAND-CLAY <br /> SOILS MIXTURES <br /> ` (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 /> L coarse fraction MIXTURES WITH LITTLE OR NO FINES <br /> is smaller than <br /> the#4 sieve) <br /> iSM SILTY SANDS,SAND-GRAVEL-SILT MIXTURES <br /> SANDS WITH <br /> OVER 12% FINES <br /> i - SC CLAYEY SANDS,SAND-GRAVEL-CLAY MIXTURES <br /> L <br /> INORGANIC SILTS 8 VERY FINE SANDS, <br /> f M L SILTY OR CLAYEY FINE SANDS, <br /> L CLAYEY SILTS WITH SLIGHT PLASTICITY <br /> SILTS AND CLAYS IC CLAYS OF LOW TO MEDIUM <br /> CL PLAsr CITY,GRAVELLY CLAYS,SANDY CLAYS, <br /> L <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 INORGANIC SILTS,MICACEOUS OR <br /> of material DIATOMACEOUS FINE SAND OR SILT <br /> is smaller than <br /> L the#200 sieve) SILTS AND CLAYS <br /> CH INORGANIC 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 /> I — <br /> ` HIGHLY ORGANIC SOILS 'r PT PEAT,HUMUS,SWAMP SOILS WITH HIGH <br /> ORGANIC CONTENT <br /> g <br /> UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> �� K L E I N F E L D E R STOCKTON BAPTIST CHURCH <br /> H 5480 NORTH HIGHWAY 99 <br /> 6. STOCKTON, CALIFORNIA Z <br /> Drafted By. GDG Project No.: 40141.GO1 <br /> $ Date. 2/10/2004 File Number. ST04GO27 <br />