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n <br />u <br />117 - Rentsac loam, 5 to 20 percent slopes <br />The Rentsac soil is shallow, skeletal and •wall-drained. It developed from <br />calcareous loamstone residuum on ridgetops and upland slopes at the highest <br />elevations. Small areas of Redcreek and ~+loyerson soils and rock outcrop were <br />included in mapping. Redcreek soils are shallow, more loamy and have less than <br />35 percent coarse fragments. Moyerson soils are fine-textured and have less than <br />35 percent coarse fragments. These soils and rock outcrop occupy less than 15 <br />percent of the mapping unit. <br />In a typical profile, the surface layer is light yellowish brown loam about <br />3 inches thick. the subsurface layer is very pale brown calcareous very channery <br />loam about 3 inches thick. The substratum is very pale brown calcareous very <br />channery clay loam about 7 inches thick and is underlain with highly fractured <br />• calcareous loamstone at a depth of 13 inches. <br />The Rentsac soil has moderate permeability and ~nediu~n runoff. The erosion <br />hazard is low to moderate from wind and water. Available waterholding capacity <br />is moderately low. Effective rooting depth is 10 to 20 inches except for juniper. <br />fhis soil is used for livestock grazing and wildlife habitat. The vegetation <br />is primarily juniper, big sagebrush, mixed perennial grasses and cheatgrass around <br />livestock enclosures. <br />The average depth of suitably topsoil material is d inches. fhis material <br />is rated poor to fair with suitability decreasing with depth. <br />• <br />