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,U k <br /> lip <br /> SOIL CLASSIFICATION CHART <br /> 60L TEll DESCRIPTION . <br /> MAJOR DIVISIONS <br /> '• '• <br /> GW WELL-GRADED GRAVELS OR GRAVEL-SAND ; ; <br /> a•• <br /> ni:C: MIXTURES. LITTLE OR NO FINES CLEAN GRAVELS <br /> GP <br /> POORLY-GRADED-GRAVELS OR GRAVEL-SAND (LITTLE DR NO FIRES) ) f"d Z ue�r v,.mow, <br /> MIXTURES, "ITLE OR NO FINES _ W s u tz a in (n H <br /> GA SILTY GRAVELS. GRAVEL-SANT!-SILT GRAVELS WIT!W Q LL tip+ en Q w <br /> MIXTURES OC ►.4 w Ncc ir, <br /> GC CLAYEY GRAVELSr GRAVEL-SAND-CLAY (APPRECIAB ESAMOUNT a 0 a u w C] <"' <br /> ul <br /> MIXTURES OF FINES) E u r N a" <br /> w <br /> HELL-GRADED SAND OR GRAVELLY SANDS• cn m x w 5F' <br /> Su v o <br /> LITTLE OR NO FINES CLEAN SANDS c~ u 4 i Cc s z a <br /> POORLY-GRADED SANDS OR GRAVELLY SANDS• <br /> SP (LITTLE OR NO FINES) V1 w o u] z z �. <br /> LITTLE OR NO FINES p x g w »M r i~ .'.'_ <br /> SM SILTY SANDSr SAND-SILT MIXTURES SANDS WITH 4 �W�r �y z Q <br /> FINES to c;r a Lo �'' <br /> (APPRECIABLE AMOUNT w ce_j> � _-� -� <br /> SC CLAYEY_ ":YU5r SAND-CLAY MI%TURES OF FINES) o o z La w m N{ <br /> INORGANIC SILTS AND VERY FINE SANDS. c > <br /> P1!_ ROCK FLOUR, SILTY OR CLAYEY FINE SANDS H z w <br /> OR CLAYEY SILTS WITH SLIGHT PLASTICITY .N. <br /> SILTS A CLAYS <br /> INORGANIC CLAYS OF LOW TO MEDIUM (Q -j w ►- <br /> J t�ty i <br /> � CE PLAST[{iTYr GRAVELLY CLAYS. SANDY N d <br /> CLAYS. SILTY CLAYS. LEAN CLAYS LIQUID LIMIT LESS THAN 50 O ,fu� a <br /> OL ORGANIC SILTS AND ORGANIC SILT-CLAYS a <br /> OF LOW PLASTICITY <br /> Lu t,h h.-j ' <br /> INORGANIC 5ILTS. MICACf0U5 OR Z <br /> a <br /> MH DIATOMACEOUS FINE SANDY Pm t <br /> OR SILTY <br /> sDlLsr ELASTIC SILTS SILTS & CLAYS w x z <br /> UI INORGANIC CLAYS OF HIGH PLASTICITY. o.- <br /> FAT <br /> FAT CLAYS LIQUID LIMIT'GREATER THAN 50 Z =w <br /> �r ORGANIC CLAYS OF MEDIUM TO HIGH W � . <br /> w J <br /> PLASTICITY.- ORGANIC SILTS o <br /> PT PEAT AND OTHER HIGHLY ORGANIC SOILS N <br /> I <br /> H:GHLY ORGANIC SOILS r <br /> I <br /> , <br />