ARCHIVED REPORTS_XR0005758 CASE 2

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' SOIL CLASSIFICATION CHART ' MAJOR DIVISIONS SYMBOLS TYPICAL GRAPH LETTER DESCRIPTIONS 0 CLEANO Q�p GW WELL-GRADED GRAVELS,GRAVEL- ' GRAVEL GRAVELS SAND MIXTURES,LITTLE OR NO FINES AND o°�o GRAVELLY 0'• ,'• POORLY-GRADED GRAVELS,GRAVEL SOILS (LITTLE OR NO FINES) #•� bG P -SAND MIXTURES,LITTLE OR NO 4 FINES COARSE GRAINED GRAVELS WITH SILTY GRAVELS,GRAVEL-SAND- ' SOILS MORE THAN 50% FINES GM SILT MIXTURES OF COARSE FRACTION RETAINED ON NO ' 4 SIEVE (APPRECIABLE AMOUNT CLAYEY GRAVELS,GRAVEL SAND- OF FINES) GC CLAY MIXTURES CLEAN SANDS SW WELL-GRADED SANDS GRAVELLY ' SAND '•:': SANDS,LITTLE OR NO FINES MORE THAN 50% AND OF MATERIAL IS SANDY POO LARGER THAN NO �+ ' 200 SIEVE SIZE SOILS (LITTLE OR NO FINES) SP SAND,LITTLE OR NOF NES GRAVELLY l SANDS WITH SM SILTY SANDS,SAND-SILT MIXTURES ie MORE THAN 50% FINES OF COARSE FRACTION PASSING ON NO 4 CLAYEY SANDS,SAND CLAY ' SIEVE (APPRECIABLE AMOUNT OF FINES) SC MIXTURES INORGANIC SILTS AND VERY FINE ' M L SANDS,ROCK FLOUR,SILTY OR CLAYEY FINE SANDS OR CLAYEY SILTS WITH SLIGHT PLASTICITY SILTS INORGANIC CLAYS OF LOW TO ' LIQUID LIMIT MEDIUM PLASTICITY, GRAVELLY FINE GRAINED AND LESS THAN 50 CL CLAYS,SANDY CLAYS,SILTY CLAYS, CLAYS LEAN CLAYS SOILS - - -- ' OL ORGANIC SILTS AND ORGANIC SILTY_ = CLAYS OF LOW PLASTICITY MORE THAN 50% INORGANIC SILTS,MICACEOUS OR ' OF MATERIAL IS MH DIATOMACEOUS FINE SAND OR SILTY SMALLER THAN SOILS NO 200 SIEVE SIZE SILTS LIQUID LIMIT INORGANIC CLAYS OF HIGH AND CLAYS GREATER THAN 50 CH PLASTICITY ORGANIC CLAYS OF MEDIUM TO HIGH OH PLASTICITY ORGANIC SILTS PEAT,HUMUS,SWAMP SOILS WITH ' HIGHLY ORGANIC SOILS PT HIGH ORGANIC CONTENTS NOTE DUAL SYMBOLS ARE USED TO INDICATE BORDERLINE SOIL CLASSIFICATIONS t