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1 and loamy sand. Permeability is moderately rapid. Available water capacity is low. Runoff is slow or medium, and the hazazd of water erosion is slight to moderate. The Badland Series is on rolling to very steep, neazly barren mountainsides, low hills, ' ridge tops, and canyon sides. Slope is 10-65 percent. The native vegetation is mainly very spazse low desert shrubs and grasses. The average frost-free period is 75-130 days. Badland is very shallow and exhibits no significant soil characteristics. The soil material consists of residuum ' derived dominantly from highly calcazeous and gypsiferous shale bentonite. Included in this unit area aze small aeeas of Chipeta and Dollard silty clay loams, Moyerson clay loam, and Rock outcrop. Permeability of Badland is very slow. Available water capacity is very slow. Effective ' rooting depth is 0 to 10 inches. Runoff is very rapid, and the hazard of water erosion is very high, which results in a lazge amount of sedimentation during rainstorms and when snow melts. The Battlement Loam Series, 1 to 8 percent slopes. This unit consists of well-drained ' soils that formed in sediment derived from mixed materials on mesas and terraces. The surface layer is loam about 5 inches thick. Perreability is moderately slow. Available water capacity is moderate. Runoff is medium and hazard of erosion is moderate to very high. The Hesperus-Empedrado, moist-Pagoda, 3-12 percent slopes. This complex is well drained and formed in alluvium, colluvium and derived dominantly from shale. Permeability is ' slow to moderate. The native vegetation is mainly spazse desert shrubs and annual grasses. Available water capacity is high. Runoff is medium to rapid and the hazazd of water erosion is high to very high. The Torriorthents Complex, 35-90 percent slopes. Torriorthents is in extremely rough and eroded aeeas on mountains, hills, ridges and canyon sides. Slopes mainly face south. That native vegetation is mainly sparse shrubs and grasses with some pinyon and juniper trees. The average frost-free period is 70-130 days. The soil material includes small aeeas of Bazcus channery loamy sand, Glendive fine sandy loam, Havre loam, Moyerson stony clay loam, Nihill channery sandy loam, Patent loam, Redcreek sandy loam, Rentsac channery loans, Sinkson gravelly sandy loam, and Blazon, Castner, and Clifterson channery loamy. Tomorthents are very shallow to moderately deep and aze well drained to somewhat excessively drained. Permeability of the Torriorthents is moderate. Available water capacity is very low. Effective rooting depth is 10 to 20 inches. Runoff is very rapid, and the hazazd of water erosion is very high. The Tomfluvents Complex is along narrow valley bottoms, in swales, and on eroded fans. Slope is 0 to 5 percent. The native vegetation is mainly sparse desert shrubs and annual grasses. The average frost-free period is 75 to 130 days. Torrifluvents are moderately deep and are well drained and somewhat excessively drained. The soil materia] contains small areas of Absher loam, Billings silty clay loam, Chipeta silty clay loam, Glenton sandy loam, Havre loam, Tisworth fine sandy loam, Turley fine sazidy loam and Uffens loam. Permeability of the Tomfluvents is moderately rapid to slow. Available water capacity is moderate to high. Runoff is rapid and the hazard of water erosion is very high, which results in high production of sediment during rainstorms and periods of snowmelt. Tosca Channery Loam Complex, 12 to 25 percent slopes. This deep, well-drained soil is on mountainside slopes. It is formed in residium from glacial till derived dominantly from Basalt and mixed sources. The surface layer is very stony loam about 3 inches thick.