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J <br />-- • <br />C <br />parting to moderate subangular blocky structure; slightly hard, firm, <br />sticky and plastic; moderately alkaline; visible gypsum seams; clear <br />smooth boundary. <br />B3cs--24 to 34 inches; light brownish gray (2.SY 6/2) silty clay, <br />dark grayish brown (2.5Y 412) moist; moderate coarse subangular blocky <br />parting to moderate fine subangular blocky structure; very hard, ex- <br />tremely firm, sticky and plastic; moderately alkaline; visible gypsum <br />seams; gradual wavy boundary. <br />Ccsca--34 to 6A inches; light brownish gray (lOYR 6/2) silty clay, <br />dark grayish brown (lOYR 4f 2) moist; moderate coarse subangular blocky <br />parting to moderate medium and subangular blocky structure; very hard, • <br />extremely firm, sticky and plastic; moderately alkaline; visible gypsum <br />and lime seams. <br />The A2 horizon has a hue of lOYR, a value of 5 or 6 dry, 3 or ~+ <br />moist, and a chroma of 2. The B21t horizon has a hue of lOYR, a value <br />of 5 or 6 dry, 4 or 5 moist, and a chroma of 2 or 3. Sodium content: <br />ranges from 10 to 20 percent. The B22t and B3 horizons have hue of lOYR <br />or 2.5Y, a value of 5 or 6 dry, 4 or 5 moist, and a chroma of 2 or 3, <br />Content of sodium ranges from 15 to 20 percent. The C horizon has ~i hue <br />of lOYR through SY, a value of 5 or 6 dry, 4 oz' 5 moist, and a chroma of <br />2 or 3. Content of sodium ranges from 10 to 20 percent. <br />-. <br /> <br />• <br /> <br />