<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.
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