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L <br />• <br />BkA == Btutzman silty clay, o to 2 percent slopesgra ddf~ <br />Other Symbols (200,BfA,ShS) <br />Setting <br />shadscale <br />Elevation: 5,100 to 5,800 feet <br />Mean annual air temperature: 50 to 51 degrees F <br />Mean annual precipitation: 8 to 9 inches <br />Frost-free period: 140 to 150 days <br />Landforms: alluvial fans <br />Dominant native plants: alkali sacaton, galleta, cheatgrass, <br />soil Characteristics <br />Parent material: alluvium from Mancos shale <br />Typical profile: <br />0 to 5 inches = light brownish gray silty clay <br />5 to 10 inches = light olive gray silty clay <br />10 to 60 inches = pale yellow silty clay loam <br />Depth class: very deep (>60") <br />Drainage class: moderately well drained <br />Permeability: slow (0.06-0.2"/hr) <br />Available water capacity: high (>9.0") <br />Potential rooting depth: 60 or more inches <br />Soil reaction (pH): 7.4-9.0 <br />Salinity: <2 mmhos/cm <br />T Factor: 5 <br />HEL: Wind = 3; Water = 3 <br />Hydric: NO Hyric inclusion: NO <br />Surface runoff: very slow to slow <br />Hazard of water erosion: low <br />Shrink-swell potential: high <br />Mass movement potential: low <br />Composition <br />Stutzman soil and similar soils: 85 percent <br />Contrasting inclusions: 15 percept <br />Contrasting Inclusions <br />Eight percent Sagers soils <br />Seven percent Massadona soils <br />