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• Fughea aeries <br />Depth class: Very deep <br />Drainage class: Well drained <br />Parent material: Alluvium, <br />residuum <br />Landform: Mountain valleys <br />Landscape position: Foot slopes <br />Slope: 3 to 9 percent <br />Average annual precipitation: 18 <br />to 23 inches <br />Average annual air temperature: <br />42 to 46 degrees F <br />Taxonomic class: Fine, <br />montmorillonitic, Pachic <br />Argiborolls <br />Typical Pedon <br />Typical pedon of Fughes clay <br />loam, 3 to 9 percent slopes, <br />about 8 miles south of Stonewall <br />and 0.3 miles west of the Tercio <br />Road, T. 34 S., R. 68 W. <br />A=0 to 5 inches; gray (lOYR 5/1) <br />• clay loam, very dark gray (lOYR <br />3/1) moist; moderate fine <br />granular structure; slightly <br />hard, friable, slightly sticky <br />and slightly plastic; neutral; <br />clear smooth boundary. <br />Btl=5 to 19 inches; dark gray <br />(lOYR 4/1) silty clay loam, very <br />dark brown (lOYR 2/2) moist; <br />strong fine and medium <br />subangular blocky structure; <br />hard, friable, sticky and <br />plastic; continuous thin clay <br />films on faces of pads; neutral; <br />gradual smooth boundary. <br />Bt2=19 to 36 inches; dark gray <br />(lOYR 4/1) clay, very dark gray <br />(10 YR 3/4) moist; moderate <br />medium prismatic structure <br />parting to strong medium blocky; <br />extremely hard, firm, sticky and <br />plastic; continuous thin clay <br />films on faces of pads; neutral; <br />gradual smooth boundary. <br /> <br />BC=36 to 42 inches; gray (lOYR <br />5/1) silty clay, very dark gray <br />(lOYR 3/1) moist; moderate <br />medium subangular blocky <br />structure; very hard, firm, <br />sticky and plastic; common thin <br />clay films on faces of pads; <br />neutral; gradual smooth <br />boundary. <br />BCk=42 to 55 inches; gray (lOYR <br />5/1) silty clay, dark gray (lOYR <br />4/1) moist; crushed; moderate <br />medium subangular blocky <br />structure; hard, firm, sticky <br />and plastic; few thin clay films <br />on faces of pads; common medium <br />irregular lime occurs in seams <br />and soft masses; mildly <br />alkaline; clear smooth boundary. <br />Ck=55 to 60 inches; grayish <br />brown (lOYR 5/2) loam, dark <br />grayish brown (lOYR 4/2) moist; <br />massive; slightly hard, friable, <br />slightly sticky and slightly <br />plastic; common fine irregular <br />lime occurs in seams and soft <br />masses; mildly alkaline. <br />Range in Characteristics <br />Thickness of the mollic <br />epipedon: 16 to 40 inches <br />Thickness of the solum: 30 to 60 <br />inches <br />Depth to bedrock: 60 or more <br />inches <br />Depth to carbonates: 40 to 60 <br />inches <br />A horizon: <br />Clay content: 27 to 35 percent <br />Reaction: slightly acid or <br />neutral <br />B horizon: <br />Texture=clay loam, silty clay <br />loam, or clay <br />Clay content: 35 to 50 percent <br />Reaction: neutral or mildly <br />alkaline <br />C horizon: <br />5-1-17 <br />