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YMB <br />Symbol Description <br />Strata symbols <br /> SAND, with silt to silty, slightly moist to <br /> moist,. light brown, (SM). <br /> CLAY, with sand to sandy, moist to wet, <br /> brown to dark brown (CL). <br /> ..:" SAND, with clay to clayey, moist to wet, <br /> brown (SC). <br /> SAND to GRAVEL, gravelly to sandy, <br /> with clay, moist to wet, brown (SP, SP- <br /> SC, GP-GC). <br /> SHALE, slighty sandy, moist, gray to <br /> black. <br />Misc. S ymbols <br /> Water table during <br /> drilling <br />Notes: <br />1. Exploratory borings were drilled on April 9 and 10, 2007 using a 6-inch <br />diameter continuous flight power auger. <br />2. Groundwater was encountered in all test holes at the time of drilling. <br />Observed groundwater levels are as shown on the boring logs. <br />3. Borings were located using a GPS system and elevations were <br />extrapolated from the USGS topographic map. <br />4. These logs are subject to the limitations, conclusions, and <br />recommendations in this report.