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2.04.9 <br />surface layer is silty clay loam or silty clay. The underlying layers are silty <br />clay loam to silty clay. On side slopes of mesas and on pediments, cobbles <br />and stones that have been carried downslope by gravity are on the surface. <br />Permeability of Torriorthents is slow or very slow. Available water capacity <br />depends upon soil depth and is higher where the soils are deeper. Rooting <br />depth ranges from 10 to more than 60 inches. Surface runoff is rapid to very <br />rapid, and the hazard of erosion is high. Erosion is active most of the time <br />on the steeper slopes, and the mass movement of soil material is common. <br />Areas of this complex produce a large amount of sediment. <br />The Rock outcrop part of this complex consists of more than 90 percent <br />exposed bedrock, mainly shale. It provides cover for wildlife and is used <br />mainly for wildlife habitat and recreation. <br />The soils in this complex have limited value for grazing and are used mainly <br />for wildlife habitat and recreation. Vegetative cover is needed to control <br />runoff and erosion. This map unit provides cover for wildlife. Deer <br />commonly feed on the sunny slopes during winter. <br />Because of instability and steep slopes, the soils in this map unit are <br />unsuited to farming. Seedbed preparation and drilling of seed for pasture <br />plantings are not practical. A limited degree of success can be expected by <br />broadcasting seed late in summer and early in fall. Western wheatgrass, <br />crested wheatgrass, and alkali sacaton are adapted species. Good pasture <br />management must be practiced to protect the soil from erosion. Areas of <br />this map unit produce a large amount of sediment. <br />PR -14 2.04-111- 03/14 <br />