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336?t 25 a <br /> TABLE A-2 (continued) <br /> LITHOLOGIC LOG OF EXPLORATION BOREHOLE KSH-1 <br /> DEPTH INTERVAL <br /> (Feet Below <br /> Land Surface) DESCRIPTION OF MATERIAL <br /> 71 - 71 .8 SAND: Multicolored, fine-to medium-grained, poorly <br /> sorted, subangular to subrounded, micaceous. <br /> 71.8 - 72 CLAY WITH Gray-brown, hard, nonplastic; trace <br /> TRACE SAND: sand. <br /> 72 - 87 CLAY: Gray-brown, hard, nonplastic, very mottled <br /> with black and white zones. <br /> At 74-76 feet, no sample. <br /> 87 - 88.2 GRAVELLY SAND: Medium brown, multicolored grains, subangular <br /> to subrounded, 80% sand; multicolored gravel , <br /> subangular to subrounded, to 1/2-inch <br /> diameter, 10-15% gravel , trace clay. <br /> 88.2 - 95 CLAY: Green-brown, hard, nonplastic, moist in <br /> spots, mottled with black and rust zones. <br /> 95 - 96 SAND. Gray-brown, hard, tight, fine- to medium- <br /> grained. <br /> 96 - 107 CLAY: Green-brown, hard, tight, nonplastic, dry to <br /> slightly moist, mottled with black, rust and <br /> gray zones. <br /> 107 - 314 CLAY: Gray-brown, hard, tight, nonplastic, <br /> extensive white zones and iron staining <br /> throughout. <br /> 114 - 115 CLAY: Green-brown, moist, soft to firm, mottled <br /> with black and rust zones. <br /> 115 - 115.5 SILT: Green-brown, soft, dissolves to touch. <br /> 115.5 - 120.8 CLAY: Green-brown, soft to firm, moderately <br /> plastic, mottled with rust and black zones. <br />