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FRO Resources <br /> <br />This complex oocura on slopes of small upland fans. The Cushman soil <br />developed from loamy, calcareous alluvium from nearby loamstonw on <br />undulating fans. The unit is comprised of about 60 percent Cushman soils <br />and 35 percent rock outcrop. Small areas of Boettoher soils and shallow <br />to deep loamy Torriorthents were iraluded in mapping. Boettcher soils are <br />moderately deep and fins textured. These included soils oooupy about 15 <br />percent of the unit. <br />The Cushman soil is moderately deep and well-drairwd. Ina typical <br />profile, the surface and upper subsoil layer is light yellowish brown silt <br />Loam about 9 inches thick. The argi111c horizon is brownish yellow silty <br />olay loam about 11 inches thick. The tower subsoil is light yellowish <br />brown calcareous silty clay loam about 6 inches thick and is underlain <br />with very pale brown calcareous silty clay loam to a depth of 34 irahes. <br />This Cushman soil has moderate permeability and medium runoff. The <br />• erosipn hazard is moderate from wind and water. Available waterholding <br />capacity is moderately high to high. Effective rooting depth is 70 to 40 <br />inches. <br />The rock outcrop is primarily exposed siltstone, loamstone and sandstone <br />bedrock which is calcareous, brown to yellow and slightly fractured. <br />Included with rock outcrop are very shallow and shallow skeletal soils <br />adjacent to exposed bedrock. <br />This soil is used for livestock grazing and wildlife habitat, The <br />vegetation is primarily mixed perennial grasses, big sagebrush and <br />cheatgrass. <br />The average depth of suitable topsoil material is 26 inches. This <br />material is rated fair to good with suitability deoreasing with depth, <br />C <br />II.I-15 <br />