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KEY TO SYMBOLS <br /> Notes• <br /> IV- 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. Soils are classified based on the <br /> following characteristics: <br /> color (in comparison with Munsell Soil Color Charts) , <br /> percent of fines vs percent of sand, grain size, mineralogy, <br /> grading, grain shape, bedding, fractures, cementing, fossils, <br /> hardness, moisture, and structure. When no observation was <br /> possible due to sampling method or condition of the sample, <br /> r data was not recorded concerning that specific chararacteristic. <br /> 4 . Abbreviations used in the descriptions and remarks of these logs are <br /> as follows: <br /> CME = Central Mine Equipment P/C = Portland Cement <br /> ft - foot <br /> PID = photoionization detector <br /> ppm = parts per million <br /> USCS = Unified Soil Classification System <br /> * Approximate elevation in feet above mean sea level. <br /> 4 <br />