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<br />--~ The Leaps soil is deep and well drained. It formed in residuum derived <br />dominantly from shale. Typically, the surface layer is dark grayish brown <br />loam about 10 inches thick. The upper 8 inches of the subsoil is pale brown <br />clay. The lower 17 inches is grayish brown clay. The substratum to a depth <br />of 60 inches or more is grayish brawn clay. In sane areas the surface layer <br />is clay loam. <br />Permeability of the Leaps soil is very slag. Available water capacity <br />is high. Effective rooting depth is 60 inches or more. Idinoff is median to <br />very rapid, and the hazard of water erosion is moderate to very high. <br />Pbst areas of this unit are used for livestock grazing in sutaner and <br />wildlife habitat. A few areas are used for irrigated grass hay. <br />The potential plant ccmmuruty on the Tellura soil is mainly Thurber <br />fesc~~e, needlegrasses, and mulesear wyethia. The average annual production <br />of a:ir-dry vegetation is about 2,300 pounds per acre. <br />If the condition of the range deteriorates, wyethia, dandelion, <br />rabb:itbrush, and annual forbs increase. Where the range is in poor <br />condition, these plants are dominant. <br />The potential plant community on the Leaps soil is mainly Gambel oak, <br />Arizona fescue, western wheatgrass, and mountain mutely. The average annual <br />production of air-dry vegetation is about 2,000 pounds per acre. <br />If the condition of the range deteriorates, black sagebrush, hairy <br />goldaster, Kentucky bluegrass, and snakeweed increase. Where the range is <br />in poor condition, these plants are dominant. <br />