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a <br /> Alb. 336 fl e 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 /> 155.2 - 157 SANDY CLAY: Gray-brown, soft, plastic, highly micaceous, <br /> fine sand, 25% to 30%. <br /> 157 - 158 CLAY: Gray-black, hard, tight, very plastic. <br /> 158 - 159 SAND: Gray-black, medium- to coarse-grained, <br /> subangular to subrounded. _ <br /> 159 - 160.2 CLAY WITH Gray-black to black, hard, firm, sticky, <br /> MOOD. plastic; abundance of wood chunks, ,up to <br /> 2-1/2-inch diameter, wood is dark brown to <br /> black. <br /> 160.2 - 165 CLAY WITH Gray-brown, hard, firm, moderately <br /> SAND: plastic, fine sand. <br /> 165 - 166 CLAYEY SAND: Gray-brown, very fine- to fine-grained sand; <br /> gray brown clay, dry to moist, nonplastic. <br /> 166 - 166.3 GRAVEL AND Gray--brown, fine- to medium-grained <br /> SAND: sand; gravel , multicolored, to 1/4-inch <br /> diameter. <br /> 166.3 - 169 CLAYEY SAND- Gray-brown, medium-grained with fine--grained <br /> stringers, subrounded to subangular, moist; <br /> clay, 10%. <br /> 169 - 169.8 GRAVELLY, Medium brown clay, moist; fine- to medium- <br /> SANDY CLAY: grained sand, 20-25%; gravel , I(W to 15%, <br /> large, to 1-inch diameter. <br /> 169.8 - 170 CLAY: Medium brown clay, dry, nonplastic. <br /> 170 - 178 CLAY: Gray-brown, firm, hard, nonplastic; iron <br /> staining throughout in a spider web pattern. <br /> 178 - 180 SANDY CLAY: Gray-brown, hard, moderately plastic, moist <br /> to dry; sand is fine-grained. <br /> At 179 feet, large black stained zone. <br />