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<br />so <br />C2r-30 to 60 inches; soft, weathered conglomeratic tuff <br />or granite. <br />Depth to bedro is 20 to 40 inches. Rock fragments <br />range from 0 to 15 percent in the B and C horizons. <br />The Al horizon grayish brown, dark grayish brown, <br />or very dark grayish own. The B2t horizon is brown, <br />pale brown, grayish br n, or dark grayish brown. The C <br />horizon is neutral or mild alkaline. <br />Buffork Variant <br />The Buffork Variant con sts of moderately deep, well <br />drained soils on side sl es along drainageways. These <br />soils formed in resid m from conglomeratic tuff. Slope <br />is 20 to 40 percen .The average annual precipitation is <br />16 to 18 inches, a d the average annual air temperature <br />is 40 to 44 degrees <br />Typical pedon of B Cork Variant cobbly sandy loam, <br />20 to 40 percent slope , 1,320 feet north and 1,700 feet <br />west of the southeast cor er of sec. 18, T. 24 S., R. 70 <br />W. <br />A7-0 to 2 inches; very darN grayish brown (10YR 3/2) <br />cobbly sandy loam, ve, dark gray (10YR 3/1) <br />moist; moderate tine ranular structure; slightly hard, <br />very friable, slight) sticky and nonplastic; 15 percent <br />cobbles, 10 pert nt gravel; neutral; abrupt smooth <br />boundary. <br />621t-2 to 5 inches, dark grayish brown (10YR 4/2) <br />sandy clay loam, very dark grayish brown (10YR <br />3/2) moist; moder a medium subangular blocky <br />structure; very hacd, fable, sticky and plastic; 10 <br />percent gravel; neutra ,abrupt smooth boundary. <br />B22t-5 to 8 inches; dark gr ish brown (10YR 4/2) <br />sandy clay loam, dark hro n (tOYR 3/3) moist; <br />moderate tine subangular ocky structure; very <br />hard, friable, slightly sticky nd slightly plastic; 10 <br />percent gravel; neutral; clear wavy boundary. <br />Bat-8 to 14 inches; brown YR 5/3) gravelly sandy <br />clay loam, dark brow 10YR 4/3) moist; weak tine <br />granular structure; ry hard, very friable, slightly <br />sticky and nonpla tic; 25 percent gravel; neutral; <br />clear smooth bou ary. <br />C1-14 to 21 inches; li t gray (2.5Y 7/2) very gravelly <br />foamy coarse sand, t brownish gray (2.SY 6/2) <br />moist; massive; soft, ve friable, nonsticky and <br />nonplastic; 45 percent gr el; neutral; clear irregular <br />boundary. <br />C2r-21 to 60 inches; soft conglomeratic tuff. <br />The depth to bedrock is to 40 inches. <br />The A horizon is dar ay, very dark gray, dark brown, <br />or very dark brown. T e B2t horizon is dark grayish <br />brown, dark brown, rown, or very dark grayish brown. <br />Rock fragments rang from 5 to 25 percent of the <br />horizon. The C horizon light gray or light brownish <br />gray. Rock fragments ran a from 35 to 55 percent. <br />soft survey <br />The Buitork Variant in ster County has a cobbly A <br />horizon and a very gra C horizon. The Buffork soils <br />have less than 15 per nt rock fragments throughout the <br />profile. <br />Coutis series <br />The Coutis series consists oT deep, well drained soils <br />in drainageways and on foot slopes. These soils formed <br />in somewhat sandy colluvial and alluvial materials. Slope <br />is 2 to 15 percent. The average annual precipitation is 14 <br />to 20 inches, and the average annual air temperature is <br />40 to 44 degrees F. <br />Typical pedon of Coutis sandy loam, 5 to 15 percent <br />slopes, 1,000 feet east and 1,500 feet south of the <br />northwest corner of sec. 26, T. 24 S., R. 72 W. <br />At-0 to 11 inches; dark brown (7.5YR 4/2) sandy loam, <br />dark brown (7.5YR 3/2) moist; moderate very fine <br />granular sVucture; slightly hard, very friable, <br />nonsticky and nonplastic; 10 percent gravel; slightly <br />acid; gradual smooth boundary. <br />Ac-11 to 48 inches; dark brown (7.SYR 4/2) sandy <br />loam, dark brown (7.5YR 3/2) moist; weak coarse <br />subangular blocky structure; hard, very friable, <br />nonsticky and nonplastic; 10 percent gravel; neutral; <br />clear wavy boundary. <br />C-48 to 60 inches; brown (7.5YR 5/4) gravelly loam, <br />dark brown (7.SYR 4/4) moist; massive; hard, very <br />triable, nonsticky and nonplastic; 15 percent gravel; <br />neutral. <br />The mollic epipedon ranges from 16 to 48 inches in <br />thickness. Between depths of 10 and 40 inches the <br />texture averages sandy loam or fine sandy loam. The C <br />horizon is gravelly loam or gravelly sandy loam. <br />Feltonia series <br />The Feltonia series consists of deep, well drained soils <br />on terraces and fans. These soils formed in alluvium. <br />Slope is 2 to 15 percent. The average annual <br />precipitation is 14 to 17 inches, and the average annual <br />air temperature is 40 to 44 degrees F. <br />Typical pedon of Feltonia sandy loam, 2 to 6 percent <br />slopes, 45 feet north and 75 feet east of the southwest <br />corner of sec. 35, T 22 S., R. 72 W. <br />At-0 to 8 inches; grayish brown (10YR 512) sandy <br />loam, very dark grayish brown (10YR 3/2) moist; <br />weak very fine granular structure; slightly hard, very <br />friable, nonsticky and slightly plastic; mildly alkaline; <br />clear smooth boundary. <br />82-8 to 19 inches; dark grayish brown (10YR 4/2) <br />gravelly sandy loam, very dark grayish brown (10YR <br />3/2) moist; weak medium subangular blocky <br />structure; hard, very friable, slightly sticky and <br />slightly plastic; 15 percent gravel; mildly alkaline; <br />abrupt wavy boundary. <br />