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3/98 <br /> 49A =Cumulic Cryoborolls, 0 to 3 percent slopes <br /> Additional symbol: 157 <br /> Setting <br /> Depth class : very deep <br /> Drainage class : somewhat poorly drained <br /> Position on landscape: flood plains and stream terraces <br /> Parent material : mixed alluvium <br /> Elevation: 6 , 500 to 8, 300 feet <br /> Air temperature : 37 to 40 degrees F <br /> Annual precipitation: 16 to 28 inches <br /> Frost-free period: 30 to 55 days <br /> Composition <br /> Cumulic Cryoborolls soil and similar inclusions : 85 percent <br /> Contrasting inclusions : 15 percent <br /> Contrasting Inclusions <br /> poorly to very poorly drained Aquolls and Aquents soils <br /> Hunchback soils <br /> Silas soils <br /> Becks soils <br /> Tanelle soils <br /> Similar Inclusions <br /> Menbar soils <br /> Matmore soils <br /> Eleana soils <br /> Jarvie soils <br /> Typical Profile <br /> Surface layer: <br /> 0 to 2 inches=mat of needles, twigs, and leaves <br /> 2 to 10 inches=dark grayish brown loam <br /> Subsurface layer: <br /> 10 to 23 inches=dark grayish brown loam <br /> 23 to 30 inches=pale brown loam with thin lenses of sandy loam <br /> Underlying material : <br /> 30 to 39 inches=very pale brown loamy fine sand <br /> 39 to 60 inches=very pale brown extremely cobbly sand <br /> Soil Properties and Qualities <br /> Permeability: moderate over very rapid <br /> Available water capacity: moderate <br /> Potential rooting depth: 60 or more inches for water- tolerant plants <br /> and 20 to 30 inches for other plants <br /> Flooding : rare <br /> Runoff : low to medium <br /> Hazard of water erosion: slight <br /> Hazard of soil blowing : low <br /> Major Current Uses <br />