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( 13. Olney-Vona area <br /> Deep, nearly level to moderately sloping, well drained soils that <br /> formed in calcareous sandy sediments. . _ <br /> This soil area is in the southeastern part of the survey area. It <br /> occupies about 12 percent of the total acreage. About 40 percent of the <br /> area is the Olney soil, 25 percent Vona soil, and the remaining 35 <br /> percent is soils of minor extent. <br /> The Olney and Vona soils both have sandy loam surface layers. The <br /> Olney soil has a sandy clay loam subsoil and the Vona soil has a sandy <br /> loam subsoil. <br /> The minor soils in this area are the well drained Ascalon and Bijou <br /> soils and the excessively drained Valent and Wigton soils. <br /> Most of this soil area is used for grazing livestock. About 10 percent <br /> of the area is dryland farmed, mostly in the Olney soils. A larger <br /> percentage had been farmed in the past but because of lour precipitation <br /> and wind erosion hazard many fields were abandoned or reseeded to grass. <br /> The potential for homesites on this soil area is good and fair for <br /> wildlife habitat. <br /> 3 � <br />