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MAJOR DIVISIONS UP <br /> SYMBOLS TYPICAL NAMES <br /> r> H GW WELL-GRADED GRAVELS AND GRAVEL-SAND <br /> N f. o aW '''r MIXTURES, LITTLE OR NO FINES <br /> O <br /> 0 <br /> POGRLY GRADED GRAVELS AND GRAVEL-SAND <br /> o ai W V u <br /> H S z GP MIXTURES, LITTLE OR NO FINES <br /> oG ra O <br /> r,7 <br /> � <br /> z o a � H GM SILTY GRAVELS, GRAVEL-SAND-SILT MIXTURES <br /> A o p z w <br /> 11 x <br /> HH MGC CLAYEY GRAVELS, GRAVEL-SAND-CLAY <br /> q MIXTURES <br /> 1 W <br /> ul SW WELL-GRADED SANDS AND GRAVELLY SANDS, <br /> 00 <br /> p W A LITTLE OR NO FINES <br /> cn w <br /> SP POORLY GRADED SANDS AND GRAVELLY SANDS, <br /> F q o LITTLE OR NO FINES <br /> r.47 z cn ....• - <br /> w x SM SILTY SANDS, SAND-SILT MIXTURES <br /> SC CLAYEY SANDS, SAND-CLAY MIXTURES <br /> f•f.f• <br /> INORGANIC SILTS, VERY FINE SANDS, ROCK <br /> y U ML FLOUR, SILTY OR CLAYEY FINE SANDS <br /> FI <br /> o zA 'a a INORGANIC CLAXS OF LOW TD MEDIUM PLASTICITY, <br /> a nqi '� A o CL GRAVELLY CLAYS, SANDY CLAYS, SILTY CLAYS, <br /> p h LEAN CLAYS <br /> a z H a N � � � � OL ORGANIC SILTS AND ORGANIC SILTY <br /> Z w CLAYS OF LOW PLASTICITY <br /> H cn 1 1 1 1 <br /> `- CDEn C4 dp <br /> d a H N INORGANIC SILTS, MICACEOUS OR DIATOMACEOUS <br /> FINE SANDS OR SILTS, ELASTIC SILTS <br /> MH <br /> W <br /> a U N <br /> ZQ a E <br /> CH INORGANIC CLAYS OF HIGH PLASTICITY, <br /> a a F FAT CLAYS <br /> ow <br /> 11 iir <br /> o W o-7 iii <br /> Ln ta OH ORGANIC rLAYS OF MEDIUM TO HIGH PLASTICITY <br /> HIGHLY ORGANIC SOILSPT._ _c�EAT,__MU.CK_AND_OTHER_.HIGHLY--ORGANIC-SOILS--- --'---- — ----------- <br /> "BASED ON THE MATERIAL PASSING THE 3-INCH j75 mm) SIEVE. <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br />