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IfffY -' <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> GROUP GRAPHIC <br /> MAJOR DIVISION SYMBOL DESCRIPTION LOGS "F <br /> GAVELLY SOILS CLEAN GRAVELLY WELL GRADED GRAVELS <br /> GW OR GRAVEL - SAND MIXTURES <br /> • SOILS <br /> RPOORLY GRADED GRAVELS OIt t■ <br /> OVER 60% OF LITTLE OR NO POORLY GRADED <br /> v� GP GRAVEL -SAND SILT MIXTURES <br /> COARSE FRACTION <br /> f^ y LARGER THAN SILTY GRAVELS OR POORLY GRADED �^ <br /> a a GRAVELLY SOILS GM GRAVEL - SAND SILT MIXTURES <br /> i w NO 4 SIEVE SIZE WITH FINES <br /> O 3 m CLAYEY GRAVELS OR POORLY GRADED <br /> OVER 124'o FINES GC GRAVEL - SAND - CLAY MIXTURES <br /> m x CLEAN SANDY WELL GRADED SANDS `� • <br /> r SANDY SOILS soils SW OR GRAVELLY SANDS <br /> L • <br /> r }- LITTLE OR NO POORLY GRADED SANDS <br /> p L OVER 60% OF EINFS SP OR GRAVELLY SANDS � <br /> t <br /> L COARSE FRACTION SANDY SOILS <br /> SMALLER THAN SILTY SANDS OR POORLY GRADED I <br /> a WITH FINES SM SAND - SILT MIXTURES fr+ <br /> O NO 4 SIEVE SIZEI' <br /> CLAYEY SANDS OR POORLY GRADED <br /> OVER 12% FINES SC SAND - CLAY MIXTURES <br /> INORGANIC SILTS, VERY FINE SANDS <br /> N SILTY/CLAYEY FINE SANDS, CLAYEY <br /> ML SILTS WITH SLICHT PLASTICITYcn <br /> _ r <br /> /,. <br /> SILTY AND CLAYEY SOILS INORGANIC , GrLAVCLAYS-LOWTO MEDIUM <br /> PLASTICITY, GFLiVELLYLY, SANDY, <br /> JW-4 <br /> LIQUID LIMIT LESS THAN 50 CL I I I <br /> m ORGANIC CLAYS OR ORGANIC SILTY <br /> m OL CLAYS OF LOW PLASTICITY I I t <br /> N <br /> INORGANIC SILTS,MICACEOUS OR <br /> a m o DIATOMACEOUS FINE SANDY OR SILTY <br /> C7 W z MH som OR ELASTIC SILTS <br /> ,�'� SILTY AND CLAYEY SOILS INORGANIC CLAYS OF HIGH <br /> r CH PLASTICITY, OR FAT CLAYS ` y <br /> LIQUID LIMIT GREATER THAN 50 <br /> ORGANIC CLAYS OF MEDIUM TO HIGH <br /> OH PLASTICITY, OR ORGANIC SILTS <br /> PEAT OR OTHER HIGHLY <br /> HIGHLY ORGANIC SOILS Pt ORGANIC SOIL I <br /> N■ I1 <br /> SYMBOLS <br /> L <br /> PLE TYPES. TI <br /> WATER LEVEL <br /> UNDISTURBED SLEEVE — <br /> R ` <br /> DISTURBED WATER INFLOW— <br /> UNSUCCESSFUL <br /> NFLOWUNSUCCESSFUL ATTEMPT <br /> F` <br /> c— ` <br /> ODOR OBSERVATION `I <br /> NO NONE OBSERVED MD MODERATE ODOR r <br /> SL SLIGHT ODOR ST STRONG ODOR I <br /> PHOTOVAC TIP READINGS { <br /> IN PARTS PER MILLION (PPM) ` <br /> LGEND TO LOGS <br /> PLATE A-2 <br />