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UNIFIED SOIL CLASSIFICATIUIV SYSTEM <br />MAJOR <br />DIVISIONS LTR DESCRIPTION <br /> WELL-GRADED GRAVELS OR <br /> GW GRAVEL SAND MIXTURES. <br /> LITTLE OR NO FINES <br /> J <br /> O <br /> } POORLY-GRADED GRAVELS <br /> ~ GP OR GRAVEL SAND MIXTURE, <br /> ~ LITTLE OR NO FINES <br /> <br /> c7 - <br /> z SILTY GRAVELS, <br /> GM GRAVEL-SAND-SILT <br /> w MIXTURES <br /> <br />~ p <br />p CLAYEY GRAVELS, <br />~ GC GRAVEL-SAND-CLAY <br />o MIXTURES <br />i <br />z <br /> <br /> <br />w WELL-GRADED SANDS OR <br />a SW GRAVELLY SANDS, LITTLE <br />p OR NO FINES <br />U <br /> <br /> o POORLY-GRADED SANDS, OR <br /> SP GRAVELLY SANDS, LITTLE <br /> o} OR NO FINES <br /> Z <br />a <br /> (n <br /> <br /> a SM SILTY SANDS, SANDSILT <br /> o MIXTURES <br /> z <br />a <br /> <br /> SC CLAYEY SANDS, SAND-CLAY <br /> MIXTURES <br />MAJOR <br />DIVISIONS LTR DESCRIPTION <br /> INORGANIC SILTS AND VERY <br /> FINE SANDS, ROCK FLOUR, <br /> ML SILTY OR CLAYEY FINE <br /> SANDS OR CLAYEY SILTS <br /> WITH SLIGHT PLASTICITY <br /> r <br />g <br /> <br />p ~°n INORGANIC CLAYS OF LOW <br />TO MEDIUM PLASTICITY, <br /> z v CL GRAVELLY CLAYS, SANDY <br /> a ~ CLAYS, SILTY CLAYS, <br /> ~ ~ LEAN CLAYS <br /> J <br /> _ <br />(n <br /> <br /> ORGANIC SILTS AND <br />J OL ORGANIC SILT-CLAYS OF <br />o LOW PLASTICITY <br /> <br />0 <br />w <br />z <br />~ INORGANIC SILTS, MICACEOUS <br />w MH OR DIATOMACEOUS FINE, <br />z SANDY OR SILTY SOILS, <br />LL ELASTIC SILTS <br /> <br /> 5 <br /> p ~ INORGANIC CLAYS OF <br /> Z n CH MEDIUM TO HIGH <br /> a ~ PLASTICITY, FAT CLAYS <br /> N J <br /> J <br /> _ <br />V) <br /> ORGANIC CLAYS OF MEDIUM <br /> OH TO HIGH PLASTICITY, <br /> ORGANIC SILTS <br />HIGHLY <br />ORGANIC <br />Pt PEAT AND OTHER HIGHLY <br /> <br />SOILS ORGANIC SOILS <br />NOTES KEY TO SYMBOLS <br />THE LINES SEPARATING STRATA ON THE LOGS <br /> <br />REPRESENT APPROXIMATE BOUNDARIES ONLY. , <br />MODIFIED CALIFORNIA SAMPLER, 2.0-ID <br />THE ACTUAL TRANSITION MAY BE GRADUAL. NO <br />WARRANTY IS PROVIDED AS TO THE CONTINUITY <br />OF SOIL STRATA BETWEEN BORINGS. LOGS <br /> <br />REPRESENT THE SOIL SECTION OBSERVED AT MODIFIED CALIFORNIA SAMPLER, 2.5-ID <br />THE BORING LOCATION ON THE DATE OF <br />DRILLING ONLY. T <br /> 1 SHELBY TUBE SAMPLE <br /> SP STANDARD PENETRATION <br /> SPLIT-SPOON SAMPLE <br /> i <br /> WATER LEVEL OBSERVED IN BORING <br />NO RECOVERY <br />NFWE NO FREE WATER ENCOUNTERED <br />Ko rb m a s h e r BORING LOG LEGEND <br />P ~' E ~ ~ ` ~ ° a ~-' ~ e ' ~ ° - Proposed Vineyard Pass Subdivision <br />865 Clara Lane <br />PROJECT NO. JB-569 DATE osios Pleasanton, California <br />N0. <br />3 <br />