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v UNIFIED SOIL CLASSIFICATION SYSTEM USCS TYPICAL MAJOR DIVISIONS SYMBOL DESCRIPTIONS •' C7 W WELL-GRADED GRAVELS,GRAVEL-SAND CLEAN GRAVELS : MIXTURES WITH LITTLE OR NO FINES GRAVELS WITH LITTLE OR NO FINES •Q GPMIXTURES GRAVELS,GRAVEL-SAND (More than half of o MIXTURES WITH LITTLE OR NO FINES coarse fraction O is larger than the#4 sieve) GM SILTY GRAVELS,GRAVEL-SILT-SAND GRAVELS MIXTURES COARSE WITH OVER GRAINED 12% FINESGCCLAYEY GRAVELS,GRAVEL-SAND-CLAY SOILS MIXTURES (More than half SW WELL-GRADED SANDS,SAND-GRAVEL of materialCLEAN SANDS MIXTURES WITH LITRE OR NO FINES is larger than SANDS WITH LITTLE the#200 sieve) (More than half of OR NO FINES S+P POORLY-GRADED SANDS,SAND-GRAVEL coarse fraction MIXTURES WITH LITRE OR NO FINES is smaller than the#4 sieve) SM SILTY SANDS,SAND-GRAVEL-SILT MIXTURES SANDS WITH OVER 12% FINES SC CLAYEY SANDS,SAND-GRAVEL-CLAY MIXTURES INORGANIC SILTS&VERY FINE SANDS, M L SILTY OR CLAYEY FINE SANDS, CLAYEY SILTS WITH SLIGHT PLASTICITY SILTS AND CLAYSCL INORGANIC CLAYS OF LOW TO MEDIUM X;l PLASTICITY,GRAVELLY CLAYS,SANDY CLAYS, (Liquid limit less than 50) SILTY CLAYS,LEAN CLAYS FINE GRAINED — SOILS — ORGANIC SILTS&ORGANIC SILTY CLAYS OL OF LOW PLASTICITY (More than half MHINORGANIC SILTS,MICACEOUS OR of material DIATOMACEOUS FINE SAND OR SILT is smaller than the#200 sieve) SILTS AND CLAYS CH FAT CLAYS OF HIGH PLASTICITY, (Liquid limit greater than 50) FAT CLAYS OH ORGANIC CLAYS&ORGANIC SILTS OF MEDIUM-TO-HIGH PLASTICITY LOAMS UNDER USDA SOIL T CATION SYSTEM,SOIL OF APPROXIMQUAL SAND/SILT/CLAY d UNIFIED SOIL CLASSIFICATION SYSTEM PLATE AHK L E 1 N F E L D E R PROPOSED RESIDENCE /� R FIELD OF DREAMS A-1 bS Drafted By: GDG Project No.: 20-4685-01.G01 31157 HWY 120 Date: 12/10/2001 File Number: 2011G232 ESCALON, CALIFORNIA Ce ,W M.i,M4r..c 2.