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ATTACHh1ENT 2 18-Elbeth-Kettle complex, B to 25 percent slope These deep, well drained, moderately sloping to modf ately steep 'soils are on fans, bench edges, hills, ar ridges. Elevation ranges from about 6,400 to 7,300 far Average annual precipitation is about 17 to 19 inche average annual air temperature is about 43 degrees and average frost-tree period is about 120 days. Tt Elbeth soil makes up about 50 percent of the unit ar the Kettle soil about 25. percent. The Elbeth soil is c _ ridgetops and moderately sloping,to strongly sloping hip sides. The Kettle soil is on fans, slope breaks of bencl es, and moderately steep hill sides. Included with this complex in mapping, and making ~ about 25 percent of the unit, are Peyton-Pring comple B to 25 percent slopes; Haplustolls, loamy, nearly levc gravelly knobs; and rock outcrop. The Elbeth soil formed in material transported frog arkosic deposits. Typically, the surface layer is dark grs and light gray sandy loam and loamy sand about inches thick. The subsoil to a depth of about 60' inche is yellowish brown to very pale brown sandy clay loan and sandy Ioem. Permeability is moderate, and available water capacil is high. Surface runoff is medium, and the hazard c erosion is moderate to high. The Kettle soil formed in arkosic sandy alluvium. Typ catty, the surface layer is gray and light gray loamy son about 22 inches thick. The subsoil is light brownish gra coarse sandy loam to a depth of about 53 inches. It ha a matrix of loamy coarse sand in which thin bands c sandy clay foam or heavy sandy loam are embeddec The substratum is very pale brown coarse sand to . depth of 60 inches. Permeability is rapid, and available water capacity i low to moderate. Surface runoff is medium, and the .hazard of erosion is moderate. Some gullies have formed in the drainageways (fig. 6). These soils are used for woodland, grazing, recreation wildlife habitat, and homesites. They have poor potenti for cropland and fair to poor potential for most engineer ing uses. The Elbeth soil is suited to the production of ponder osa pine. Il is capable of producing 1,840 cubic feet o wood per acre, or 5,680 board feet (International rule), o merchantable timber from a fully stocked, even-ages stand of 80-year•old trees. The Kettle soil is suited to the production of ponder osa pine (fig. 7). It is capable of producing 2,820 cubir feet of wood per acre or 10,040 board feet (Internationa rule) of merchantable timber from a fully stocked, even aged stand of 80-year-old trees. Where these soils are used for homesites or otne~ urban purposes, the limiting soil lectures are the shrink swell potential of the Elbeth soil and the steep slopes o' both the Elbeth soil and the Kettle soil. Special design are necessary to compensate for these limiting soil fea lures. Special erosion control practices are needed tc minimize surface runoff in order to minimize the hazarc of erosion. This complex is in capability subclass Vle, nonirrigated. THIS SOIL-IS IN HEL CLASS 1 FOR WIND AND CLASS 2 FOR WATER. THERE ARE NO HYDRIC COMPONENTS IN THIS SOIL UNIT.