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33 691 - <br /> r� <br /> TABLE A-3 (continued) <br /> LITHOLOGIC LOG OF EXPLORATION BOREHOLE ICSH--3 <br /> DEPTH INTERVAL <br /> (Feet Below <br /> Land Surface) DESCRIPTION OF MATERIAL <br /> 70.5 - - 71 .5 CLAYEY SAND. Gray-brown, fine- to medium-grained, very <br /> micaceous, angular to subrounded; clay is <br /> soft, moist. <br /> 71.5 - 76 CLAY: Gray-brown, firm, slightly moist, crumbly; <br /> rust colored staining. <br /> 76 - 88 CLAY: Gray-brown, firm, low plasticity, slightly <br /> moist; trace black staining. <br /> 88 - 92 SANDY CLAY. Gray-brown, firm, slightly moist, hard, <br /> nonplastic; sand is fine-grained, 20%. <br /> 92 - 98 SAND: Gray-brown, fine-grained, moist, rust colored <br /> staining. <br /> At 95.7 feet, severe rust colored staining. <br /> 98 - 99.5 SAND: Gray-brown, multicolored grains, moist, rust <br /> colored staining; trace white evaporlte. <br /> 99.5 - 108.2 SAND- Gray-brown, medium- to coarse-grained; rust <br /> colored staining. <br /> 108.2 - 112.1 CLAY: Light gray, tight, firm, dry, crumbly; rust <br /> colored staining. <br /> 112.1 - 113.8 SANDY SILT: Gray-brown, very moist, soft, dissolved to <br /> touch; sand is fine-grained, 309.. <br /> 113.8 - 120 CLAY: Gray-brown, firm, hard, nonplastic, crumbly. <br /> 120 - 322 CLAY: Red-brown, firm, hard, slightly moist, <br /> nonplastic. <br /> 122 - 123 SANDY CLAY: Red-brown, firm, moist; sand is very fine- <br /> grained, 25%. <br /> 123 - 124 CLAYEY SAND. Red-brown, very fine- to fine-grained; clay <br /> is firm to soft, moist, 25%. <br />