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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS USCS TYPICAL <br /> SYMBOL DESCRIPTIONS <br /> L <br /> 40 <br /> 4w <br /> f41� GW WELL-GRADED GRAVELS, GRAVEL-SAND <br /> CLEAN GRAVELS _� YY MIXTURES WITH LITTLE OR NO FINES <br /> WITH LITTLE OR 'i+• <br /> NOFINES # <br /> GRAVELS GP POORLY-GRADED GRAVELS, GRAVEL-SAND <br /> V1 MIXTURES WITH LITTLE OR NO FINES <br /> f <br /> MORE THAN HALF <br /> COARSE FRACTIONM SILTY GRAVELS, GRAVEL-SILT-SAND <br /> IS LARGER THAN GRAVELS MIXTURES <br /> COARSE THE #4 SIEVE WITH OVER <br /> �+ GRAINED 12% FINES (�^C CLAYEY GRAVELS, GRAVEL-SAND-CLAY <br /> SOILS MIXTURES <br /> (MORE THAN HALF _ <br /> OF MATERIAL IS c WELL-GRADED SANDS, SAND-GRAVEL <br /> LARGER THAN CLEAN SANDS t SW MIXTURES WITH LITTLE OR NO FINES <br /> THE #200 SIEVE) WITH LITTLE OR <br /> SANDS NO FINES POORLY-GRADED SANDS, SAND-GRAVEL <br /> P MIXTURES WITH LITTLE OR NO FINES <br /> MORE THAN HALF <br /> COARSE FRACTION S M SILTY SANDS, SAND-GRAVEL-SILT MIXTURES <br /> IS SMALLER THAN SANDS WITH <br /> THE #4 SIEVE OVER 12% FINES <br /> ME <br /> SC CLAYEY SANDS, SAND-GRAVEL-SILT MIXTURES <br /> INORGANIC SILTS & VERY FINE SANDS, <br /> M L SILTY OR CLAYEY FINE SANDS, <br /> CLAYEY SILTS WITH SLIGHT PLASTICITY <br /> SILTS AND CLAYS INORGANIC CLAYS OF LOW TO MEDIUM <br /> C L PLASTICITY, GRAVELLY CLAYS, SANDY CLAYS, <br /> 16. FINE LIQUID LIMIT LESS THAN 50 SILTY CLAYS, LEAN CLAYS <br /> GRAINED OL ORGANIC SILTS & ORGANIC SILTY CLAYS <br /> SOILS ' OF LOW PLASTICITY <br /> L' (MORE THAN HALF <br /> Of MATERIAL IS <br /> M H INORGANIC SILTS, MICACEOUS OR SMALLER THAN DIATOMACEOUS FINE SAND OR SILT <br /> THE #200 SIEVE) SILTS AND CLAYS <br /> C H INORGANIC CLAYS OF HIGH PLASTICITY, <br /> l� FAT CLAYS <br /> LIQUID LIMIT GREATER THAN 50 <br /> O H ORGANIC CLAYS & ORGANIC SILTS <br /> OF MEDIUM-TO-HIGH PLASTICITY <br /> 3� <br /> �+ HIGHLY ORGANIC SOILS PT PEAT, HUMUS, SWAMP SOILS <br /> ZZ WITH HIGH ORGANIC CONTENTS <br /> �- SOIL CLASSIFICATION SYSTEM PLATE <br /> k" KLEI N FELDER SAN JOAQUIN COUNTY <br /> GENERAL HOSPITAL A-1 <br /> PROJECT NO. 24-220152-E0o FRENCH CAMP, CALIFORNIA <br /> Copyright Kleinfelder, Inc. 1993 <br /> 4 <br />