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8185: <br />70B--- -,Brix .fine sandy loam, I to 3 percent slopes- This deep. well <br />drained soil is on terraces and mesas. It formed in alluvium derived <br />dominantly from sandstone. The native vegetation is mainly grasses and <br />shrubs. Elevation is 5,300 to 6,800 feet. The average annual precipitation <br />is 10 to 14 inches, the average annual air temperature is 46 to 48 degrees <br />F, and the average frost-free period is 110 to 130 days. <br />Typically, the surface layer is brown or reddish brown fine sandy loam <br />about 5 inches. thick. The subsoil is yellowish red or light reddish brown <br />sandy clay I -oam 18 inches thick. The,upper 15 inches of the substatum is <br />pinkish white loam, the next 13 inches is very pale brown loam, and the <br />lower part to a depth of 74 inches is pints loam. In some areas the surface <br />layer is loam or sandy clay loam. - <br />• included in this unit is about 10 percent Abra• and 5 percent <br />Progresso soils. AZs® incl uded'are small areas of Clapper soils and <br />Nyswonger soils occurring in the small intermittent drainages. <br />Permeability of this Barx soil is moderate. Available water capacity is <br />high. Effective rooting depth is 60 inches or more. Runoff is slow, and <br />the hazard of water erosion is slight. <br />r_7 <br />