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0 <br /> Parent material: Kind=colluvium and residuum; <br /> source=sandstone and shale <br /> Typical Profile: <br /> 0 to 2 inches=dark brown very bouldery sandy clay loam <br /> 2 to 9 inches=light brown very gravelly clay loam <br /> 9 to 18 inches=variegated colors of very gravelly clay loam <br /> 18 inches=soft calcareous shale <br /> Soil Properties <br /> Depth class: Shallow <br /> Drainage class: Well drained <br /> Permeability: Slow <br /> Available water capacity: Very low <br /> Potential rooting depth: 10 to 20 inches <br /> Flooding: None <br /> Runoff: Very high <br /> Hazard of water erosion: Severe <br /> Hazard of wind erosion: Slight <br /> Shrink-swell potential: Low <br /> Contrasting Inclusions <br /> Barx soils on hills <br /> Rizno soils on hills and canyons <br /> Zigzag soils on knobs, ridges, and hills <br /> Rock outcrop <br /> Similar Inclusions <br /> Soils with less rock fragments on the surface <br /> Major Uses <br /> Wildlife habitat and livestock grazing <br /> Major Management Factors <br /> Rangeland <br /> Suitability: Very poor <br /> Dominant vegetation in the potential plant community on this <br /> unit: Pinyon, juniper, mountainmahogany, Indian ricegrass, <br /> galleta, and western wheatgrass <br /> Dominant vegetation in the present plant community on this <br /> unit: Pinyon, juniper, mountainmahogany, Indian ricegrass, <br /> galleta, western wheatgrass <br /> Potential annual production of air-dry vegetation on the <br /> Romberg soil: 350 pounds per acre <br /> Potential annual production of air-dry vegetation on the <br /> Crosscan soil : 200 pounds per acre <br /> Soil-related factors: Slope and stoniness <br /> Cropland <br /> Suitability: Unsuited <br />