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<br />Class 3 soil series in the survey area are Moyerson, Red creek, Rentsac, Worfka <br />and Uffens. These soils are loamy with textures typically ranging from sandy <br />loam to clay loam. Many of the soils are intermixed with rock outcrop and have <br />high percentsges of rock fragments near the surface. <br />Class 3 soils are moderately well-drained to well-drained with medium runoff <br />and slow to moderate permeability. They are nonsaline and nonalkaline to depths <br />of 6 to 20 inches. Wind and water erosion hazard is moderate to high. Tilth at <br />optimum moisture content is fair to good, the potential for compar_tion varies <br />from low to moderate. Soil structure has fair to good stability when wet. The <br />potential for crusting upon drying is low to moderate. Available water holding <br />capacity is low to moderate. Effective rooting depth is commonly 10 to 15 inches. <br />• <br />(4) Class 4 <br />These lands are not suitable topsoil sources. The Class 4 lands are very rocky <br />to the surface making them unsuitable for use as topsoil. The Class 4 soils are <br />sodic and saline at or near the surface makin;; them unsuitable for topsoil. <br />Mapping units in the survey area including rock outcrop are associated with the <br />shallow Moyerson, Redcreek and Rentsac soils. These rock outcrop inclusions are <br />Class 4 land. Class 4 soil series are the 1laverson, alkali phase and Uffens <br />soils. <br />• <br />rr_r-2s <br />Revised 4/81 <br />