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M <br />0 <br />PI <br />m <br />Nor <br />DESCRIPTION <br />IMF <br />MAJOR DIVISIONS <br />o f" \ q -1 *--• < <br />o(DC <br />VV WELL GRADED GRAVELS, GRAVEL- <br />SAND MIXTURES <br />CLEAN GRAVELS WITH <br />LESS THAN 5% FINES <br />GRAVEL <br />AND <br />GRAVELLY <br />SOILS <br />MORE THAN 50% <br />OF COARSE FRAC- <br />TION RETAINED INED SOILS THAN NO. 200 SIEVE , Pp <br />00 <br />or\o <br />C 0 <br />GP <br />POORLY GRADED GRAVELS, <br />GRAVEL-SAND MIXTURES <br />4 ., <br />lb GM <br />SILTY GRAVELS, GRAVEL-SAND- <br />SILT MIXTURES <br />GRAVELS WITH <br />MORE THAN 12% FINES <br />fe <br />, GC <br />CLAYEY GRAVELS, GRAVEL-SAND- <br />CLAY MIXTURES ON NO. 4 SIEVE <br />.b tz: <br />SW <br />WELL GRADED SANDS, <br />GRAVELLY SANDS <br />CLEAN SANDS WITH <br />LESS THAN 5% FINES <br />SANDS <br />AND <br />SANDY <br />SOILS <br />MORE THAN 50% <br />OF COARSE FRAC- <br />TION PASSING <br />SP <br />POORLY GRADED SANDS, <br />GRAVELLY SANDS <br />SM <br />SILTY SANDS, SAND-SILT <br />MIXTURES <br />SANDS WITH <br />MORE THAN 12% FINES <br />2 <br />SC <br />CLAYEY SANDS, SAND- <br />CLAY MIXTURES <br />NO. 4 SIEVE <br />, <br />ML <br />INORGANIC SILTS, ROCK FLOUR, <br />OR CLAYEY SILTS WITH SLIGHT <br />PLASTICITY <br />SILTS LIQUID LIMIT <br />AND LESS THAN 50 <br />./ <br />6 CL <br />INORGANIC CLAYS OF LOW TO <br />MEDIUM PLASTICITY, GRAVELLY <br />CLAYS, SANDY CLAYS, SILTY <br />C LAYS, LEAN CLAYS CLAYS <br />OL <br />ORGANIC SILTS AND ORGANIC <br />SILTY CLAYS OF LOW PLASTICITY j <br />MH <br />INORGANIC SILTS, MICACEOUS <br />OR DIATOMACEOUS SILTS, <br />ELASTIC SILTS <br />LIQUID SILTS LIMIT AND GREATER THAN 50 FINE GRAII IAN 50% SMALLER CH <br />INORGANIC CLAYS OF HIGH <br />PLASTICITY, FAT CLAYS <br />CLAYS <br />20 <br />a <br />OH <br />ORGANIC CLAYS AND ORGANIC SILTS <br />OF MEDIUM TO HIGH PLASTICITY <br />--- <br />------ -._-. ,-------- -,.,. <br />1- <br />PT <br />PEAT, HUMUS, SWAMP SOILS <br />WITH HIGH ORGANIC CONTENT HIGHLY ORGANIC SOILS <br />UNIFIED SOIL CLASSIFICATION SYSTEM <br />Geotechnical Inc <br />ct <br /> <br />PLATE 17