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<br /> <br />RmC =Rilid-Rim complex, 2 to 9 <br />percent slopes <br />Setting <br />Landscape: Plains <br />Landform: Plains <br />Position on Landscape: Wilid: <br />Backslopes, footslopes Kim: <br />Summit, shoulder <br />Elevation: 4,500 to 6,500 feet <br />Native plants: Grass <br />Air temperature: 50 to 53 <br />degrees F <br />Annual precipitation: 11 to 14 <br />inches <br />Frost-free period: 120 to 145 <br />days <br />Composition <br />Wilid soil and similar <br />inclusions: 35 percent <br />Kim soil and similar inclusions: <br />50 percent <br />Contrasting inclusions: 15 <br />percent <br />Typical Profile <br />Wilid <br />Surface layer: <br />0 to 5 inches=silt loam <br />Subsoil: <br />5 to 36 inches=silty clay loam <br />Substratum: <br />36 to 60 inches=silt loam <br />Rim <br />Surface layer: <br />0 to 6 inches=fine sandy loam <br />Substratum: <br />6 to 46 inches=loam <br />Bedrock: <br />46 inches=hard Dakota sandstone <br />Soil Properties and Qualities <br />Ailid <br />Parent material: Loess <br />Depth class: Very deep <br />Drainage class: Well drained <br />Permeability: Moderate <br />Available water capacity: High <br />Potential rooting depth: 60 or <br />more inches <br /> <br />Runoff: Slow <br />Hazard of water erosion: Slight <br />to high <br />Hazard of wind erosion: High <br />Carbonates: 0 to 4 inches <br />Rim <br />Parent material: Eolian <br />sediments <br />Depth class: Deep <br />Drainage class: Well drained <br />Permeability: Moderate <br />Available water capacity: <br />Moderate to high <br />Potential rooting depth: 40 to <br />60 inches <br />Runoff: Medium <br />Hazard of water erosion: Slight <br />to high <br />Hazard of wind erosion: High <br />Carbonates: 0 to 6 inches <br />Contrasting Inclusions <br />Travessilla soils that are less <br />than 20 inches to bedrock <br />Villedry soils that have bedrock <br />from 20 to 40 inches deep <br />Mavel soils that average less <br />than 15 percent sand <br />Major Current IIses <br />Rangeland, irrigated hay and <br />pasture <br />Major Management Factors <br />Irrigated Hay and Pasture <br />Soil-related factors: Steepness <br />of slope, water erosion <br />Suitability: Fair <br />Management considerations: <br />Land leveling <br />Irrigation water management <br />Rangeland <br />Soil-related factors on this <br />unit: Water erosion, wind <br />erosion <br />Suitability: Good <br />Dominant vegetation in the <br />potential plant community: blue <br />