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12/97 <br />SOE =Cochetopa loam, warm, 12 to 25 percent slopes <br />Setting <br />Depth class: very deep <br />Drainage class: well drained <br />Landform: mountains and hills <br />Position on landform: backslopes, shoulders, and toeslopes <br />Parent material: alluvium and colluvium derived from shale <br />Elevation: 6,500 to 9,000 feet <br />Air temperature: 37 to 40 degrees F <br />Annual precipitation: 18 to 28 inches <br />Frost-free period: 30 to 55 days <br />Composition <br />Cochetopa soil and similar inclusions: 90 percent <br />Contrasting inclusions: 10 percent <br />Contrasting Inclusions <br />Clayburn soils on all landform positions <br />Somewhat poorly to very poorly drained Aquolls and Aquents soils in <br />springs, marshes, seeps, and beaver ponds on slumped landscapes and/or <br />adjacent to irrigation ditches <br />Binco soils on south-facing backslopes, shoulders, and summits <br />Passar soils on backslopes <br />Similar Inclusions <br />Buckskin soils <br />Routt soils <br />Gourley soils <br />Typical Profile <br />Surface layer: <br />0 to 5 inches=grayish brown loam <br />Subsurface layer: <br />5 to 20 inches=grayish brown loam <br />Subsoil: <br />20 to 30 inches=brown clay <br />30 to 40 inches=yellowish brown clay <br />Substratum: <br />40 to 65 inches=pale brown clay <br />Soil Properties and Qualities <br />Permeability: slow <br />Available water capacity: high <br />Potential rooting depth: 60 or more inches <br />Runoff: very high <br />Hazard of water erosion: very high <br />Hazard of soil blowing: low <br />Major Current Uses <br />nonirrigated crops <br />