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KEY TO SYMBOLS <br /> Symbol Description <br /> Strata symbols <br /> INTERBEDDED: SAND,clayey, slightly moist <br /> to wet, medium dense,tan to brown (SC,A- <br /> 6); CLAY,sandy,slightly moist to wet,stiff to <br /> hard for clays, (CL,A-6). <br /> SAND,to with gravel, moist to wet,dense to <br /> very dense,tan to brown (SP,SW,A-1-b). <br /> r•� GRAVEL,with sand to sandy,wet,dense to <br /> «+ very dense,tan to brown (GP, GW,A-1-a). <br /> ® CLAY, low to medium plasticity,wet, brown <br /> to gray(CL,A-6). <br /> CLAYSTONE,very hard, slightly moist to <br /> moist,gray to brown. <br /> Misc. Symbols <br /> Water level during drilling,estimated from <br /> auger cutting return at surface during <br /> drilling. <br /> Soil Samplers <br /> ® Grab sample recovered from auger cuttings. <br /> Notes: <br /> 1. Exploratory borings B-1 through B-22 were drilled on September 8,9,and 10, 2020 using a CME-55 drill rig <br /> equipped with 6-inch diameter continuous flight solid stem auger. <br /> 2. Elevations shown are rounded to the nearest half foot from surveyed values provided by XT Consulting, Inc. <br /> 3. Borings were backfilled at the completion of each boring. <br /> 4. Contacts between soil units are approximate and may be gradational. <br /> 4.These logs are subject to the limitations, conclusions,and recommendations in this report. <br /> Project No. 20.139. <br />