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#65 LILLINGS SILT LOAM, SODIC, 1 TO 3 PERCENT SLOPES <br />SETTING <br />Landscape position: alluvial faos, terraces, and flood <br />plains <br />Parent material: Kind-alluvium; source-shale <br />Native plant community; Greasewood and sagebrush <br />Elevation: 5,800 to 6,300 feet <br />Mean annual temperature:: 50 to 52 degrees F <br />Mean annual precipitation: 10 to 13 inches <br />Frost-free period:120 to 135 days <br />COMPOSITION <br />Linings, sodic soil and similar inclusions: 40 percent <br />Contrasting inclusions: 10 percent <br />TYPICAL PROFILE <br />0 to 2inches---pale brown sill[ loam <br />2 to 29 inches---light gray and light brownish gray <br />silt clay loam <br />29 to 60 inches--pale brown and brown silt loam <br />SDlL PROPERTIES <br />Depth class: Very deep <br />Drainage class: Well drained <br />Permeability: Moderately slow <br />Available water capacity: High <br />Potential rooting depth: 60 inches or more <br />Flooding: rare <br />Runoff: Medium <br />Hazard of water erosion: Moderate <br />Hazard of wind erosion: Moderate <br />Shrink-swell potential: Low <br />INCLUDED AREAS <br />Contrasting Inclusions <br />• Zyme soils on knobs <br />• Sideshow soils on terraces <br />• Romper soils on alluvial fans <br />• Mikim soils on alluvial fans <br />SLIIILAR INCLUSIONS <br />• Lillings soils on terraces <br />MAJOR USES <br />Livestock grazing and wildlife habitat <br />MAJORMANAGEMENT FACTOi7S <br />Rangeland <br />Suitability: poor <br />Dominant vegetation in the potential plant <br />community: Alkali sacaton, greasewood, western <br />wheatgrass, big sagebrush, galleta, fourwing saltbush <br />Potential annual production of air-dry vegetation: <br />600 pounds per acre <br />Soil-related factors: Excess salts, alkalinity <br />Marragement considerations: <br />The presence of high salt concentrations <br />adversely affect forage production. <br />Brush control may be needed to maintain <br />forage production. <br />Cropland <br />Suitability: Unsuitable <br />Soil-related factors: Excess salt, excess alkalinity <br />Building Site Development <br />Suitabinty: Poor <br />Soil-related factors: Flooding, corrosivity, low <br />strength <br />Management considerations: <br />• The hazard of flooding limits the suitability <br />of this unit for use as a building site. <br />• Some azeas are severely gullied and are no <br />longer subject to flooding. <br />• Special consideration of building materials is <br />needed to compensate for possible corrosion <br />from the saline-alkaline conditions. <br />• Low strength may limit load carrying <br />capacity of the soil and should be considered <br />in struch~re design. <br />1/fY1008 -25- aN011PAppl NINOMMSN SA/IQ4rONf <br />