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12/98 <br />SOC =Cochetopa-loam, warm, 3 to 12 percent slopes <br />Additional symbols: 2VC, 130, 132 <br />Setting <br />Depth class: very deep <br />Drainage class: well drained <br />Position on landscape: benches, fan terraces, and plateaus <br />Parent material: loess and alluvium derived from sandstone <br />and shale , <br />Elevation: 6,600 to 8,400 feet <br />Air temperature: 37 to 40 degrees F <br />Annual precipitation: 16 to 27 inches <br />Frost-free period: 30 to 55 days <br />Composition <br />Cochetopa soil and similar inclusions: 80 percent <br />Contrasting inclusions: 20 percent <br />Contrasting Inclusions <br />Binco soils <br />Clayburn soils <br />Aquolls and Aquents soils, springs, marshes, seeps, and <br />beaver ponds on slumped landscapes and/or ajacent to <br />irrigation ditches <br />Similar Inclusions <br />Buckskin 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 30 inches=yellowish brown clay <br />30 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: medium to high <br />Hazard of water erosion: slight to very high <br />Hazard of soil blowing: low <br />Major Current Uses <br />irrigated hay and pasture <br />nonirrigated crops <br />livestock grazing <br />wildlife habitat <br />