Laserfiche WebLink
Moffat County Area, Colorado <br />silt loam, silty clay loam, or clay loam; thin <br />layers of loamy sand or sandy loam may also <br />occur at any depth <br />Reaction: mildly alkaline or moderately alkaline <br />r 2C horizons: (if present) <br />Texture: very gravelly sand, very cobbly sand, or <br />sand <br />Langspring Series <br />Map unit(s): 119, 175, 207 <br />Depth class: very deep <br />Drainage class: well drained <br />Slowest permeability: 0.6 to 2.0 in./hr. (moderate) <br />Landform: hillslopes, plateaus, planar areas on <br />plateaus <br />Parent material: loess over residuum derived from <br />sandstone, loess over residuum derived from <br />sandstone and siltstone <br />Elevation: 6,000 to 7,300 feet (1,829 to 2,225 meters) <br />Slope: 1 to 25 percent <br />Climatic data: <br />Mean annual precipitation: 9 to 11 inches (229 to <br />279 millimeters) <br />Mean annual air temperature: 42 to 45 degrees F. <br />(5.6 to 7.2 degrees C.) <br />Frost-free period: 75 to 95 days <br />Taxonomic class: Fine-loamy, mixed, frigid Typic <br />Calciorthids <br />Typical Pedon <br />Map unit in which located. Langspring sandy loam, 3 <br />to 12 percent slopes <br />Location in the survey area: about 1,100 feet east <br />and 1,300 feet south of the northwest corner of <br />sec. 23, T. 9 N., R. 99 W. <br />A-0 to 3 inches; very pale brown (10YR 7/3) sandy <br />loam; brown (10YR 4/3) moist; weak thin platy <br />structure; soft, very friable, nonsticky and slightly <br />plastic; strongly effervescent; moderately alkaline; <br />abrupt smooth boundary. <br />Bw-3 to 11 inches; light yellowish brown (10YR 6/4) <br />sandy clay loam, dark yellowish brown (10YR <br />4/4) moist; weak medium subangular blocky <br />structure; slightly hard, very friable, sticky and <br />plastic; strongly effervescent; moderately <br />alkaline; clear wavy boundary. <br />Bk1-11 to 17 inches; very pale brown (10YR 7/3) <br />loam, light yellowish brown (10YR 6/4) moist; <br />moderate medium subangular blocky structure; <br />slightly hard, friable, slightly sticky and slightly <br />375 <br />plastic; violently effervescent; moderately <br />alkaline; clear wavy boundary. <br />Bk2-17 to 42 inches; white (10YR 8/2) sandy clay <br />loam, light gray (10YR 7/2) moist; massive; <br />slightly hard, very friable, slightly sticky and <br />slightly plastic; 5 percent gravel; 35 percent <br />calcium carbonate equivalent; violently <br />effervescent; strongly alkaline; clear wavy <br />boundary. <br />Bk3-42 to 53 inches; light gray (10YR 7/2) fine <br />sandy loam, light yellowish brown (10YR 6/4) <br />moist; massive; very hard, very friable, nonsticky <br />and nonplastic; 5 percent gravel; 12 percent <br />calcium carbonate equivalent; strongly <br />effervescent; moderately alkaline; clear wavy <br />boundary. <br />Bk4-53 to 60 inches; pale brown (10YR 6/3) sandy <br />loam, brown (10YR 5/3) moist; massive; soft, very <br />friable, slightly sticky and slightly plastic; 5 <br />percent gravel; strongly effervescent; moderately <br />alkaline. <br />Range in Characteristics <br />Particle-size control section (weighted average): <br />Calcium carbonate equivalent: 15 to 40 percent <br />Depth to calcic horizon: 8 to 30 inches <br />Depth to effervescence: 0 to 5 inches <br />A horizon: <br />Hue: 10YR or 7.5YR <br />Texture: sandy loam or loam <br />Bw, Bk1, and Bk2 horizons: <br />Hue: 2.5Y to 7.5YR <br />Texture: loam or sandy clay loam <br />Reaction: moderately alkaline or strongly alkaline <br />Rock fragment content: 0 to 15 percent <br />Bk3 and Bk4 horizons: <br />Hue: 2.5Y to 7.5YR <br />Texture: loam, fine sandy loam, or sandy clay <br />loam <br />Rock fragment content. 5 to 35 percent <br />Layoint Series <br />Map unit(s): 120 <br />Depth class: moderately deep <br />Drainage class: somewhat excessively drained <br />Slowest permeability: 2.0 to 6.0 in./hr. (moderately <br />rapid) <br />Landform: plateaus <br />Position on landform: summits