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• <br />• <br />• <br />Mapping Units X8D and XSF <br />Winevada-Splitro complex <br />These moderately deep and shallow soils are on gently sloping to moder- <br />ately steep mountain sideslopes. This complex dominates the soils <br />encountered along the ridge dividing Eckman Park and Middle Creek. The <br />area is almost totally covered by aspen although some oak brush is <br />found. <br />The Winevada (53) soils occupy lower sideslopes and concave areas and <br />make up 60 percent of the unit. The Splitro (46) soils occupy upper <br />sideslopes and ridgecrests and make up about 30 percent of the unit. <br />Small areas of Coutis fine sandy loam (34) and Unnamed (68) sandy loam <br />make up the other 10 percent. <br />Typically the Winevada soils have a very dark gray fine sandy loam upper <br />surface layer about 4 inches thick. The lower surface layer is dark <br />grayish brown sandy clay loam about 24 inches thick over fractured hard <br />sandstone. <br />Permeability of the Winevada soils is moderate. Effective rooting depth <br />ranges from 20 to 40 inches. Available water capacity is low. Surface <br />runoff is slow. Erosion hazard is high from water. <br />Typically the Splitro soils have a very dark grayish brown and dark <br />grayish brown sandy loam surface layer 18 inches thick over fractured <br />hard sandstone. <br />-23- <br />