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<br />loiBa <br />14--Bari fine sandy loam, 1 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 manly grasses <br />and shrubs. Elevation is 5,300 to 6,800 feet. The average annual <br />precipitation is 10 to 14 inches, the average annual air temperature <br />is 46 to 48 degrees F, and the average frost-f roe period is 110 to 130 <br />days. <br />Typically, the surface layer is brown fin• sandy loam about 2 <br />inches thick. The subsurface layer is reddish brown loam 3 inches <br />thick. The upper part of the subsoil is yellowish red or light <br />reddish brown sandy clay loam 18 inches thick. Tha lower 15 inches of <br />the subsoil is pinkish white loam. The upper 13 inches of the <br />substratum is very pale brown loam, and the lower part to a depth of <br />74 inches or more is pink loam. In some areas the surface layer is <br />loam or sandy clay loam. <br />Included in this unit ie about 10 percent Abra soils and 5 percent <br />Progresso soils. Also included are small arses of Clapper soils and <br />Nyswonger soils occurring in the cmall intermittent drainages. <br />Permeability of thin Barx soil is moderate. Available water <br />capacity is high. Effective rooting depth is 60 inches or more. <br />Runoff is •low, ^nd the hazard of water erosion is slight. -' <br />Most arta• of this unit are used for livestock grazing and <br />wildlife habitat. A few areas are used for irrigated corn for silage.- <br />pasture, smell grains, alfalfa hay (fig. 3>, and grass hay. <br />Ths potential plant community on this unit is mainly western <br />wheatgrass, Sandberg bluegrass, Wyoming big sagebrush, and <br />needleandthread. Th• average annual production of air-dry vegetation <br />is about 850 pounds per acre. <br />ig <br />