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GRAPH LETTER <br />TYPICAL DESCRIPTION <br />MAJOR DIVISIONS <br />SYMBOL SYMBOL <br />C GW <br />Well -Graded Gravels, Gravel -Send <br />Fines <br />Gravel <br />Q • Q ' Q' <br />gW <br />Mixtures, Little Or rlo <br />And <br />Clean Gravels <br />(little or no lines) <br />r 4N GP <br />yMuturestl eOr <br />Gravelly <br />gp <br />sand Little No Fines <br />Coarse <br />Grained <br />Soils <br />GM <br />Silty Gravels, Gravel -Sand - <br />Soils <br />More Than <br />gm <br />Silt Mixtures <br />50% Coarse <br />Fraction <br />Gravels With <br />Fines( appreciable <br />GC <br />Clayey Gravels, Gravel -Sand- <br />Retained On <br />amount of lines) <br />gC <br />Clay Mixtures <br />No.4 Siev <br />SW <br />II -Graded Sands, Gravelly <br />Welra <br />' °° ' <br />SW <br />Sands, Litt Or No Fines <br />Sand <br />And <br />Clean Sand <br />lliltle or no Imes) <br />° ° o ° <br />♦ <br />♦ A SP <br />poorly -Graded Sands, Gravelly <br />Sandy <br />ey*o♦e <br />Sp I <br />Sands, LiICe Or No Fines <br />More Than <br />Soils <br />�' <br />50% Material <br />Larger Than <br />More Than <br />SM <br />Silly Sands, Sand- Silt Mixtures <br />No. 200 Sieve <br />50% Coarse <br />Sands With <br />SfTI <br />Size <br />Fraction <br />Passing No.4 <br />Fines (appreciable <br />amount of fines) <br />SC <br />SC <br />Clayey Sands, Sand Mixtures <br />Sieve <br />Sieve <br />Inorganic Silts d Very Fine Sands, Rock Flour, Silty ' <br />ML <br />ml <br />Clayey Fine Sands: Clayey Sills wl Slight Plasticity <br />`xL <br />Inorganic Clays Of Low To Medium Plasticity, <br />Silty Clays. Lean <br />Fine <br />Sills <br />Liquid Limit <br />/, <br />CI <br />Gravelly Clays, Sandy Clays, <br />Grained <br />And <br />Less Than 50 <br />Soils <br />Clays <br />Jill OL <br />OI <br />Organic Silts And Organic <br />Silty Clays Of LOW Plasticity <br />MH <br />Inorganic Sills, Micaceous Or Datomaceous Fire <br />rnh <br />Sand Or Silly Soils <br />More Than <br />Material <br />0% Mae <br />Silts <br />Liquid Limit <br />CH <br />Inorganic Clays Of High <br />Plasticity, Fat Clays <br />Smaller Than <br />And <br />Greater Than 50 <br />Ch <br />No. 200 Sieve <br />Size <br />Clays <br />/ <br />OH <br />Organic Clays Of Medium To High <br />Oh <br />Plasticity. Organic Silts <br />Jnr .vr .vr PT <br />Peal. Humus, SwnmP Soils <br />Highly Organic <br />Soils <br />n arx air ar <br />pt <br />With High Organic Contents <br />The discussion In the text of this report Is necessary for a proper understanding of the nature <br />of the Material presented in the attached logs. <br />DUAL SYMBOLS are used to Indicate bordedine soil classiMcMOn- <br />C <br />TORVANE READING, tsf <br />PENETROMETER READING, tsf <br />Qu <br />W <br />MOISTURE, % dry weight <br />p <br />SAMPLER PUSHED <br />SAMPLE NOT RECOVERED <br />pcf <br />DRY DENSITY, Ibs. per cubic it. <br />LL <br />LIQUID LIMIT, % <br />Pi <br />PLASTIC INDEX <br />"11 <br />Earth consultants Inc. <br />(tan Iwh al l'Lµ4xoo, (ix0.µlfu 61u,NuxmxoL,l SiW n W Y <br />I 2' O.D. SPLIT SPOON SAMPLER <br />24- I.D. RING OR SHELBY TUBE SAMPLER <br />iWATER OBSERVATION WELL <br />4 DEPTH OF ENCOUNTERED GROUNDWATER <br />DURING EXCAVATION <br />S SUBSEQUENT GROUNDWATER LEVEL-W/DATE <br />LEGEND <br />Proj. NO.6893-11 Date June' 95 Plate Al <br />