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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS USCS TYPICAL <br /> SYMBOL DESCRIPTIONS <br /> 6. '' GW WELL-GRADED GRAVELS,GRAVEL-SAND <br /> CLEAN GRAVELS : MIXTURES WITH LITTLE OR NO FINES <br /> GRAVELS WITH LITTLE <br /> OR NO FINES ° <br /> (More than half of � GP POORLY-GRADED GRAVELS,GRAVEL-SAND <br /> o <br /> coarse fraction Q MIXTURES WITH LITTLE OR NO FINES <br /> is larger than <br /> the#4 sieve) GM SILTY <br /> GRAVELS.GRAVEL-SILT-SAND <br /> GRAVELS <br /> COARSE WITH OVERKxy <br /> G RAINED 12% FINES GC MCLAYEYGRAVELS,GRAVEL-SAND-CLAY <br /> IXT <br /> (More than half SW WELL-GRADED SANDS,SAND-GRAVEL <br /> ` of materialSANDS CLEAN SANDS ; MIXTURES WITH LITTLE OR NO FINES <br /> is larger than WITH LITTLE <br /> 1` the#200 sieve) (More than half of OR NO FINES <br /> coarse fraction : Sp POORLY-GRADED SANDS,SAND-GRAVEL <br /> is smaller than MIXTURES WITH LITTLE OR NO FINES <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 /> LFINE (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 MH INORGANIC SILTS,MICACEOUS OR <br /> of material DIATOMACEOUS FINE SAND OR SILT <br /> is smaller than <br /> the#200 sieve) SILTS AND CLAYS <br /> r, CH INORGANIC CLAYS OF HIGH PLASTICITY, <br /> (Liquid limit greater than 50) FAT CLAYS <br /> ORGANIC CLAYS&ORGANIC SILTS <br /> OHORGANIC <br /> MEDIUM-TO-HIGH PLASTICITY <br /> HIGHLY ORGANIC SOILSPEAT,HUMUS,SWAMP SOILS WITH HIGH <br /> r PT ORGANIC CONTENT <br /> N <br /> R <br /> 6. UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> S VISTA LUNA VINEYARDS <br /> N " K L E I N F E L D E R APN'S 009-170-04 &009-170-05 <br /> SAN JOAQUIN COUNTY, CALIFORNIA 4 <br /> Drafted By: G.GOMEZ Protect No.: 721'13.G01 <br /> Date: 6/22/2006 File Number: ST06GO85 <br /> conr+on w,m .ice.zoos <br /> r <br />