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F, <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS USCS TYPICAL <br /> SYMBOL DESCRIPTIONS <br /> ' GW WELL-GRADED GRAVELS,GRAVEL-SAND <br /> CLEAN GRAVELS ' I MIXTURES WITH LITTLE OR NO FINES <br /> GRAVELS TH LITTLE <br /> OR NO FINES • <br /> {More than half of G P POORLY-GRADED GRAVELS,GRAVEL-SAND <br /> O MIXTURES WITH LITTLE OR NO FINES <br /> coarse fraction <br /> is larger than <br /> the#4 sieve) " G M SILTY GRAVELS,GRAVEL-SILT-SAND <br /> GRAVELS MIXTURES <br /> COARSE WITH OVER <br /> { GRAINED 42% FINES <br /> ! GC CLAYEY GRAVELS,GRAVEL-SAND-CLAY <br /> SOILS MIXTURES <br /> (More than half SW WELL-GRADED SANDS,SAND-GRAVEL <br /> of material SANDS CLEAN SANDS MIXTURES WITH LITTLE OR NO FINES <br /> is larger than WITH LITTLE <br /> the#200 sieve) <br /> (Mare than half of OR NO FINES POORLY-GRADED SANDS,SAND-GRAVEL <br /> coarse fraction SP MIXTURES WITH LITTLE OR NO FINES <br /> is smaller than <br /> the#4 sieve) T. <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 /> i CLAYEY SILTS WITH SLIGHT PLASTICITY <br /> SILTS AND CLAYS INORGANIC CLAYS OF LOW TO MEDIUM <br /> CL <br /> PLASTICITY,GRAVELLY CLAYS,SANDY CLAYS, <br /> F! FINE (Liquid limit less than 50) SILTY CLAYS,LEAN CLAYS <br /> GRAINED — <br /> SOILS — ORGANIC SILTS&ORGANIC SILTY CLAYS <br /> [ y — <br /> 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 /> r the#200 sieve) <br /> SILTS AND CLAYS INORGANIC CLAYS OF HIGH PLASTICITY, <br /> (Liquid limit greater than 50) CH FAT CLAYS <br /> F,i <br /> OH ORGANIC CLAYS&ORGANIC SILTS <br /> OF MEDIUM-TO-HIGH PLASTICITY <br /> FiPEAT,HIGHLY ORGANIC SOILS " PT HUMUS,SWAMP SOILS WITH HIGH <br /> ORGANIC CONTENT <br /> UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> k4K E I N F E U E R NEW MINISTRY CENTER <br /> 5T. MICHAEL'S CHURCH <br /> co <br /> F 5882 N. ASHLEY LANE A-1 <br /> 25 Drafted By: G.GOMEZ Project No.: 56915.G01 STOCKTON, CALIFORNIA <br /> Id Date: 5/24/2005 File Number: ST05GO97 <br /> Copyright Klelnteldu,Mt.2005 <br />