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<br />StH =Fort sandy loam, 0 to 7 <br />percent slopes <br />setting <br />Landform: Plains, alluvial fans <br />Position on landscape: Foot <br />slopes, hillslopes <br />Elevation: 4,500 to 6,200 feet <br />Native plants: Grass <br />Air temperature: 50 to 53 <br />degrees F <br />Annual precipitation: 12 to 14 <br />inches <br />Frost-free period: 125 to 145 <br />days <br />Composition <br />Fort soil and similar <br />inclusions: 90 percent <br />Contrasting inclusions: 10 <br />percent <br />Typical Profile <br />Surface layer: <br />0 to 4 inches=sandy loam <br />Subsoil: <br />4 to 7 inches=loam <br />7 ~u i3 inches=clay loam <br />13 to 28 inches=loam <br />Substratum: <br />28 to 60 inches=sandy loam <br />Soil Properties and Qualities <br />Parent material: Eolian silt and <br />sand, alluvium <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 />Runoff: Slow to medium <br />Hazard of water erosion: Slight <br />to moderate <br />Hazard of wind erosion: High <br />Carbonates: 8 to 20 inches <br />Contrasting Inclusions <br />Kim soils that do not have a <br />developed subsoil <br />Vonid soils that average less <br />than 18 percent clay in the <br />profile <br />Major Current Uses <br />Rangeland <br />Major Management Factors <br />Windbreaks <br />Soil-related factors: Steepness <br />of slopes, wind erosion <br />Suitability: Good <br />Management considerations: <br />Supplemental irrigation may be <br />necessary during dry periods <br />Trees suitable are Russian <br />olive, Chinese elm <br />Shrubs suitable are Siberian <br />peashrub, lilac <br />IIrban Development <br />Soil-related factors: Wind <br />erosion, steepness of slopes <br />.i ilitabillty da a aitc fvi <br />buildings: Good <br />Management considerations: <br />Wind erosion around construction <br />sites <br />Septic systems should be on the <br />contour <br />Rangeland <br />Suitability: Good <br />Dominant vegetation in the <br />potential plant community: Blue <br />Grama, western wheatgrass, <br />bottlebrush squirreltail, <br />needleandthread, sideoats grama, <br />galleta <br />Annual production of air-dry <br />vegetation: 1,200 pounds per <br />acre <br />Management considerations: <br />Proper grazing use <br />Range seeding if in poor <br />condition <br />