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§2.04 APPLICATION FOR PERMIT FOR SURFACE OR UNDERGROUND MINING <br />ACTIVITIES --MINIMUM REQUIREMENTS FOR INFORMATION ON <br />ENVIRONMENTAL RESOURCES. <br />i• <br />Permeability is slow, and available water capacity is high. Effective rooting depth is 60 inches or more. <br />surtace runoff is rapid. The hazard of erosion from wind is moderate and from water is high. <br />Included with this soil in mapping are a few small areas of Billings, Midway, Razor, Gaynor, and Apishapa <br />soils. Also included are some areas of Fluvaquents, flooded. In some areas the surtace layer is silt loam <br />or silty clay. Stones on the surtace and in underlying layers are common in areas at the base of mesas. In <br />some areas the surface layer is darker colored. <br />The native vegetation on this soil consists mainly of big sagebrush, fourwing saltbush, greasewood, and <br />grasses. <br />Some areas of this soil are used for grazing of livestock and wildlife and for recreational purposes. Some <br />areas are used for irrigated crops, mainly hay, pasture, small grains, and orchard crops. <br />This soil is suited to all of the crops commonly grown in the survey area, except those which require a long <br />growing season. Extreme care is necessary to prevent wafer erosion. Maintaining organic matter content <br />is important. The soil should be kept in grasses, legumes, orclose-growing crops at least one-fourth of the <br />time, and row crops in rotation should be grown no more than 3 years consecutively. Use of crop residue, <br />land leveling, and good management of irrigation water help to maintain organic matter content and to <br />control erosion. <br />This soil can be used for irrigated pasture and hay crops. It is well suited to alfalfa, smooth brome, <br />orchardgrass, intermediate wheatgrass, and clover. Irrigation can be done by contour ditch and <br />corrugation methods. <br />Because annual precipitation is low and has poor seasonal distribution, this soil is not suited to <br />nonirrigated crops. However, nonirrigated pasture grasses can be planted late in summer or in fall to <br />protect the soil from erosion and to provide grazing for livestock, if good pasture management is practiced. <br />Crested wheatgrass, pubescent wheatgrass, and Russian wildrye are adapted species. <br />The potential plant community on this soil consists mainly of galleta, western wheatgrass, and beardless <br />wheatgrass. As range condition deteriorates, galleta and wheatgrasses decrease, (orbs and woody shrubs <br />increase, and undesirable weeds and annual plants invade and become more abundant. <br />Seeding is advisable if range is in poor condition. Western wheatgrass and Indian ricegrass are suitable <br />for seeding. Grasses that meet the seasonal requirements of livestock should be selected. Preparing a <br />seedbed and drilling the seed help to obtain the best results. Seeded areas should be fenced. <br />This soil is used for winter range by mule deer. Big sagebrush commonly is grazed by mule deer in winter <br />and can be managed for optimum production. Desert cottontail are common in areas of this soil, but their <br />numbers largely depend upon climatic conditions. <br />TR-20 2.04 - 22 3/01 <br />