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• ERHIBIT 26 - Continued <br />Coalmont Series - Continued <br />brown clay B2t horizons having prismatic and angular blocky structure <br />and light yellowish brown Cca horizons over shale at a depth of 30 <br />inches. There is an abrupt textural boundary betweea the A and B2t <br />horizons. <br />Typifying Peddn: Coalmont loam <br />(Colors are far dry Boil unless otherwise noted.) <br />Al 0- 4"---Light brownish gray (lOYR 6/2) loam, dark grayish <br />brown (10 YR 4/2) moist; moderate very fine granular <br />structure; soft, very friable, slightly sticky, slightly <br />plastic; mildly alkaline; abrupt smooth boundary. (3 to <br />6 inches thick) <br />• <br />B21t 4-10"---Grayish brown (lOYR 5/2) clay, dark grayish brown <br />(lOYR 4/2) moist; strong coarse prismatic structure <br />parting to coarse angular blocks; slightly hard, firm, <br />very sticky, very plastic; thin continuous wax-like <br />coatings on faces of peds, and wax-like coatings and <br />fillings in root channels and pores; mildly alkaline; <br />clear wavy boundary. (5 to 17 inches thick) <br />B22t 10-16"---Grayish brown (lOYR 5/2) clay, dark grayish brown <br />(lOYR 4/2) moist; moderate coarse prismatic structure <br />parting to coarse angular blocks; hard, friable, sticky, <br />plastic; thin nearly continuous wax-like coatings on <br />faces of peds and wax-like coatings and fillings in root <br />channels and pores; calcareous; moderately alkaline; <br />gradual wavy boundary. (0 to 8 inches thick) <br />n <br />~J <br />