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s <br />lOb-Hesperus shallow Variant sandy loam, 10 to 29 percent slopes. <br />This moderately deep well drained soil is on upland sideslopes and <br />benches. It formed in residuum and from colluvium derived from <br />sandstone. Slopes are plane to slightly convex. This unit is irregular <br />in shape and is 13 acres in size. The vegetation is mainly shrubs. <br />Elevation ranges from 6875 to 7000 feet. The average annual <br />precipitation is about 14 inches and the mean annual temperature is <br />about 41° P. <br />Typically the surface is dark grayish brown sandy loam about four <br />inches thick. The subsoil is brown and dark brown sandy clay loam <br />about 21 inches thick. The substratum is yellowish brown sandy clay <br />loam about 8 inches thick. A paralithic contact of weathered sandstone <br />. occurs at 38 inches. <br />Included in mapping is about 10 percent Savage and about 10 percent <br />Coberly Variant soils. <br />Permeability of this Hesperus shallow Variant soil is moderate <br />as is the available water capaciy. Effective rooting depth is 38 <br />inches. Runoff is medium and hazard of erosion is slight by water <br />and moderate by wind. <br />This map unit is used far grazing. <br />The soils of this map unit provide a good to fair source of topsoil <br />to an average depth of 30 inches. The only limitation is moist and <br />dry consistencies in the lower horizons. <br />., <br />2-:.63 <br />