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KEY TO SYMBOLS <br /> Symbol Description <br /> Strata Symbols . <br /> Asphaltic Concrete & base rock <br /> Clay <br /> Poorly, graded gravel & sand fill <br /> Misc. Symbols <br /> Water table during <br /> drilling <br /> Soil Samplers <br /> ■ Continuous sampler <br /> (2 inch I. D. ) <br /> Notes• <br /> 1. These logs are subject to the limitations, conclusions, and <br /> recommendations in this report. <br /> 2 . Results of field test conducted on samples recovered are reported on <br /> the logs. <br /> 3 . Descriptions of material, encountered during drilling are based on <br /> Unified Soil Classification System. <br /> 4 . Abbreviations used in the descriptions and remarks of these logs are <br /> as follows: <br /> USCS = Unified Soil Classification System <br /> ppm = parts per million <br /> PID = photoionization detector <br /> Note: Approximate elevation in feet above mean sea level. <br />