2013-05-01_PERMIT FILE - M2013014

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158 Soil Survey of Typical Pedon Satanta loam, 1 to 3 percent slopes, about 903 feet north and 30 feet east of the southwest corner of sec. 31, T. 10 S., R. 48 W.; USGS South of Seibert, Colorado, topographic quadrangle; lat. 39 degrees 7 minutes 47 seconds N. and long. 102 degrees 49 minutes 6 seconds W. Ap-0 to 4 inches; brown (10YR 5/3) loam, dark brown (10YR 3/3) moist; moderate fine granular structure; soft, friable, slightly sticky and slightly plastic; common very fine and fine roots; neutral; clear smooth boundary. AB-4 to 7 inches; brown (10YR 4/3) clay loam, dark brown (10YR 3/3) moist; weak medium prismatic structure parting to moderate medium subangular blocky; slightly hard, friable, slightly sticky and slightly plastic; common very fine and fine roots; neutral; clear smooth boundary. Bt1 -7 to 14 inches; brown (10YR 4/3) clay loam, dark brown (10YR 3/3) moist; moderate medium prismatic structure parting to moderate fine and medium subangular blocky; hard, firm, moderately sticky and moderately plastic; common very fine and fine roots; very few faint clay films on faces of peds; 3 percent gravel; neutral; clear smooth boundary. Bt2 -14 to 19 inches; brown (10YR 5/3) clay loam, brown (10YR 4/3) moist; moderate medium prismatic structure parting to moderate medium subangular blocky; hard, firm, moderately sticky and moderately plastic; common very fine and fine roots; few faint clay films on faces of peds; 3 percent gravel; neutral; clear smooth boundary. Bt3 -19 to 23 inches; brown (10YR 5/3) clay loam, brown (10YR 4/3) moist; weak medium prismatic structure parting to moderate fine subangular blocky; slightly hard, friable, slightly sticky and slightly plastic; common very fine and fine roots; very few faint clay films on faces of peds; strongly effervescent; 5 percent gravel; slightly alkaline; clear smooth boundary. Bk -23 to 34 inches; pale brown (10YR 6/3) loam, brown (10YR 5/3) moist; weak medium prismatic structure parting to weak fine subangular blocky; slightly hard, friable, slightly sticky and slightly plastic; few fine roots; few fine carbonate nodules; violently effervescent; 5 percent gravel; moderately alkaline; gradual smooth boundary. C -34 to 60 inches; light yellowish brown (10YR 6/4) loam, yellowish brown (10YR 5/4) moist; weak coarse prismatic structure; hard, friable, slightly sticky and slightly plastic; violently effervescent; 7 percent gravel; moderately alkaline. Range in Characteristics Thickness of the mollic epipedon: 10 to 19 inches Depth to the base of the argillic horizon: 16 to 32 inches Depth to calcareous material: 16 to 32 inches Content of rock fragments: 0 to 10 percent Other features: Some pedons do not have an AB horizon. Some pedons have a BA horizon. A horizon: Hue -10YR Value -4 or 5 dry, 2 or 3 moist Chroma -2 or 3 Texture of the fine -earth fraction —loam or clay loam Fine -earth fraction -10 to 28 percent clay Reaction — neutral or slightly alkaline Bt horizon: Hue -10YR Value -4 to 6 dry, 3 to 5 moist Chroma -2 to 4 Texture of the fine -earth fraction —loam or clay loam Fine -earth fraction -25 to 35 percent clay Reaction — neutral or slightly alkaline Bk horizon: Hue -10YR Value -5 or 6 dry, 4 or 5 moist Chroma -2 or 3 Texture of the fine -earth fraction —loam, sandy clay loam, clay loam Fine -earth fraction -25 to 30 percent clay Calcium carbonate equivalent -3 to 15 percent Reaction — moderately alkaline C horizon: Hue -10YR Value -6 or 7 dry, 4 to 6 moist Chroma -2 to 4 Texture of the fine -earth fraction —loam, very fine sandy loam, fine sandy loam Fine -earth fraction -10 to 27 percent clay Calcium carbonate equivalent-4 to 15 percent Stoneham Series Depth class: Very deep Drainage class: Well drained Permeability: Moderate Landform: Hills and plains Parent material: Eolian material over alluvium Slope range: 1 to 15 percent Average annual precipitation: 13 to 17 inches Average annual air temperature: 45 to 50 degrees F