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GROUP TYPICAL NAMES <br /> MAJOR DIVISIONS SYMBOLS <br /> 7 WELL-GRADED GRAVELS AND GRAVEL-SAND <br /> N <br /> z a ;=::..': GW MIXTURES, LITTLE OR NO FINES <br /> �. cn p 0 a <br /> o cn w U U GP POORLY GRADED GRAVELS AND GRAVEL-SAND <br /> cis ,a CO 9 z [7 MIXTURES, LITTLE OR NO FINES <br /> .. .le. <br /> U) . rW� C4 0 14 <br /> 0 z Cal O 0 p ,Nj z GM SILTY GRAVELS, GRAVEL-SAND-SILT MIXTURES <br /> A z o O z > <br /> O <br /> Ln <br /> m U [�� CLAYEY GRAVELS, GRAVEL-SAND-CLAY <br /> H a GC MIXTURES <br /> � H <br /> w a w WELL-GRADED SANDS AND GRAVELLY SANDS, <br /> i.m cn <br /> a z w z zR SW LITTLE OR NO FINES <br /> 0 Ln O w <br /> U z o Ei U cn POORLY GRADED SANDS AND GRAVELLY SANDS, <br /> ,n U <br /> r. r� SP LITTLE OR NO FINES <br /> U3 rS s z cn <br /> rn E, w ::i::i:•:i:• <br /> 0 <br /> z ::i::i::i: SM SILTY SANDS, SAND-SILT MIXTURES <br /> moax <br /> E-1 <br /> SC CLAYEY SANDS, SAND-CLAY MIXTURES <br /> t r'f,.•f.•f.• <br /> `�•r w cn INORGANIC SILTS, VERY FINE SANDS, ROCK <br /> w ,E", ML FLOUR, SILTY OR CLAYEY FINE SANDS <br /> H <br /> U W <br /> a. cn <br /> INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY, <br /> cn o p w CL GRAVELLY CLAYS, SANDY CLAYS, SILTY CLAYS, <br /> O <br /> `~ p LEAN CLAYS <br /> O d, <br /> pOL ORGANIC SILTS AND ORGANIC SILTY <br /> w v) k CLAYS OF LOW PLASTICITY <br /> Z w <br /> H cn <br /> ~ a � &I Ln MH INORGANIC SILTS, MICACEOUS OR DIATOMACEOUS <br /> FINE SANDS OR SILTS, ELASTIC SILTS <br /> p a E- 0/ CH INORGANIC CLAYS OF HIGH PLASTICITY, <br /> o a FAT CLAYS <br /> o co a H <br /> do � H rrr . <br /> �.. oLv~ <br /> Ln ) rrr OR ORGANIC CLAYS OF MEDIUM TO HIGH PLASTICITY <br /> rrr <br /> HIGHLY ORGANIC SOILS PT PEAT, MUCK AND OTHER HIGHLY ORGANIC SOILS <br /> *BASED ON THE MATERIAL PASSING THE 3-INCH (75 mm) SIEVE. <br /> w <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> L <br />