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Bankazd sandy loam <br />The Bankard sandy loam soil type occurs on site at 0 to 3 percent slopes. They are deep, <br />somewhat excessively drained soils on floodplains and formed in stratified recent alluvium along <br />streams and rivers. Permeability is moderately rapid and available water capacity is low. Surface <br />runoff is slow and the erosion hazazd is low. <br />This soil type is sandy, subject to flooding and suited to limited cropping. It is generally not <br />suited to the establishment and growth of trees and shrubs. Wildlife are important secondary <br />users of this soil type. The cropland azeas can provide habitat for game species such as mouming <br />dove and ring-necked pheasant. If areas for nesting and escape cover are established, many non- <br />game species can be attracted as well. With proper management of livestock grazing and <br />reseeding, rangeland wildlife such as deer and antelope could be attracted. This soil is not suited <br />to urban or recreational development because of the flood hazard. <br />Dacono clav <br />The Dacono clay soil type is present within the proposed project site at 0 to 1 percent slopes and <br />1 to 3 percent slopes. They are deep, level and nearly level, well-drained terrace soils formed in <br />alluvium. Permeability is moderately slow and available water capacity moderate. For the lower <br />sloping areas, surface runoffis slow, and the erosion hazard is low. In areas with steeper slopes, <br />surface runoff is medium, but the erosion hazard is still low. <br />This soil type is used almost entirely for imgated crops. It is suited to all crops commonly <br />grown in the azea, but the high clay content and rapidly permeable substratum slightly restrict <br />some crops. The soil is only fair to good for urban and recreational development. The moderate <br />to high shrink-swell potential, low strength, and moderately slow permeability create problems in <br />dwelling and road construction. The soil can produce habitat elements that are highly suitable <br />for openland wildlife including pheasant, cottontail, and mouming dove. Plantings of trees and <br />shrubs commonly grown in the area are generally well suited to this soil. <br />Ustic Torriorthents <br />The Ustic Torriorthents soil type include deep excessively drained soils found in moderately <br />steep (9-25%) terrace breaks and escarpments on the project site. They formed in gravelly <br />alluvium and have small areas of soils that have pockets of sandy loam and loam in the <br />underlying material. <br />Permeability is rapid, available water capacity is low, surface runoff is medium, and the erosion <br />hazard is medium. While onsite investigation is necessary to determine if plantings aze feasible, <br />windbreaks and environmental plantings aze generally not suitable. Because most of the acreage <br />is rangeland, only rangeland species such as antelope or scaled quail are typical. The potential <br />for urban or recreational development is low and the chief limiting soil features aze the loose, <br />course texture, steep slopes, and rapid permeability. <br />Platte Valley Operation <br />DMG 111 PermitAmendment <br />Page 10 <br />