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<br />I~ The Tridell soil is deep and well drained. It formed in alluvium and <br />aeolian deposits over highly calcareous old glacial outwash materials <br />from mixed sources. They generally are on slopes of 0 to 8 percent. <br />C <br />Typically the surface layer is grayish brown, mildly alkaline loam <br />about b inches thick. The upper subsoil is brown mildly alkaline <br />~ loam about 5 inches thick. The lower subsoil is pale brown moderate <br />to strongly alkaline cobbly light clay loam about 4 inches thick. The <br />upper substratum is white, moderate to strongly alkaline, gravelly <br />~ light loam about 8 inches thick. The underlying material is white, <br />moderately to strongly alkaline, somewhat stratified very cobbly and <br />gravelly loam to sands that extend to 40 inches or more. <br />• <br />Permeability is moderate. Effective rooting depth is 20 to 60 inches, <br />or more, and available water capacity is low to moderate. Surface <br />~~ runoff is medium and the erosion hazard is slight. <br />The soils of this unit are used for some livestock grazing, limited <br />~ cultivation for hay and pasture on the Tridell soil portion, wildlife <br />habitat, and as source material for road fill and gravel. <br />~ The Tridell soil wherever irrigation water is available, produces good <br />stands of alfalfa and grass hay. <br />~ These soils provide good potential as wildlife habitat for many small <br />animals such as cottontail rabbits, snowshoe hare, and several burrow- <br />ing animals. They also provide fair amounts of food and shelter as <br />~ winter range for mule deer. <br />Both of these soils are used quite extensively, and have good potential <br />~ as source materials for road fill and gravel wherever cleaning is practical. <br />Both soils will have moderate to severe limitations for community develop- <br />~ ment and sanitary facilities due mainly to slope, seepage, and coarse <br />fragment content. <br />• <br />