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3/97 <br /> 88F =Inchau-Jerry complex, 25 to 65 percent slopes, extremely stony <br /> Setting <br /> Position on landscape : mountain slopes <br /> Elevation: 6, 600 to 7, 600 feet <br /> Air temperature : 38 to 40 degrees F <br /> Annual precipitation: 18 to 26 inches <br /> Frost-free period: 35 to 55 days <br /> Composition <br /> Inchau soil and similar inclusions: 55 percent <br /> Jerry soil and similar inclusions : 35 percent <br /> Contrasting inclusions : 10 percent <br /> Contrasting Inclusions <br /> Clayburn soils <br /> Splitro soils <br /> Similar Inclusions <br /> Buckskin soils <br /> Cochetopa soils <br /> Typical Profile <br /> Inchau <br /> Surface layer : <br /> 0 to 1 inch=mat of needles, twigs, and leaves <br /> 1 to 5 inches=dark grayish brown very fine sandy loam <br /> Subsurface layer: <br /> 5 to 11 inches=grayish brown very fine sandy loam <br /> Subsoil : <br /> 11 to 16 inches=yellowish brown sandy clay loam <br /> 16 to 21 inches=light yellowish brown sandy clay loam <br /> 21 to 27 inches=light yellowish brown very fine sandy loam <br /> Bedrock: <br /> 27 inches=soft fractured sandstone bedrock <br /> Soil Properties and Qualities <br /> Inchau <br /> Parent material : residuum and colluvium derived from sandstone <br /> Depth class : moderately deep <br /> Drainage class : well drained <br /> Permeability: moderate <br /> Available water capacity: low <br /> Potential rooting depth : 20 to 40 inches <br /> Runoff : very high <br /> Hazard of water erosion: very high <br /> Hazard of soil blowing : low <br /> Typical Profile <br />