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<br />i+ <br />§2.04 APPLICATION FOR PERMIT FOR SURFACE OR UNDERGROUND MINING <br />ACTIVITIES -- MINIMUM REQUIREMENTS FOR INFORMATION ON <br />ENVIRONMENTAL RESOURCES. <br />intermediate wheatgrass, alfalfa, and clover. Irrigation can be done by contour ditch, corrugation, and <br />furrow methods. <br />Because annual precipitation is low and has poor seasonal distribution, this soil is unsuited to nonirrigated <br />crops. However, nonirrigated pasture grasses can be planted late in summer and in fall to protect the soil <br />from erosion and to provide grazing for livestock. Siberian wheatgrass, Russian wildrye, and crested <br />wheatgrass are adapted species. <br />The potential plant community on this soil consists mainly of Indian ricegrass, needleandthread, <br />bluebunch wheatgrass, and big sagebrush. As range condition deteriorates, Indian ricegrass, <br />needleandthread, and bluebunch wheatgrass decrease, fortis and woody shrubs increase, and <br />undesirable weeds and annual plants invade and become more abundant. <br />Seeding is advisable if range is in poor condition. Indian ricegrass, needleandthread, and sand dropseed <br />are suitable for seeding. Grasses that meet the seasonal requirements of livestock should be selected. <br />Preparing a seedbed and drilling the seed help to obtain the best results. Seeded areas should be fenced. <br />This soil provides habitat for pronghorn antelope, desert cottontail, and mourning dove. Where water is <br />available, water developments and food plots can be used to improve wildlife habitat. Where this soil is <br />used for irrigated crops, a conservation cropping system that includes grain crops can be used to improve <br />habitat for ring-necked pheasant. A food supply and nesting cover are important habitat elements required <br />by pheasant. <br />This soil is well suited to most of the orchard crops grown in the survey area. The principal orchard crops <br />grown on this soil are apples, peaches, cherries, and pears. Cover crops are needed to prevent erosion <br />but should be managed so that they do not compete with fruit trees. Application of fertilizer promotes the <br />growth of trees and the production of high quality fruit. Fertilizer requirements should be based on soil or <br />foliage analysis. An intensive spray program is generally needed to control insects and disease. <br />If this soil is used for urban development, the main limitation is the hazard of flooding. <br />This soil is in capability subclasses Ile, irrigated, and Vile, nonirrigated. <br />80-Utaline-Torriorthents complex. These soils are moderately steep to very steep and are on side <br />slopes of mesas, benches, and pediments. Elevation ranges from 4,800 to 6,200 feet. Average annual <br />precipitation is about 12 inches, average annual air temperature is about 50 degrees F, and the average <br />frost-free season is about 130 days. Slopes range from 20 to 60 percent. <br />The Utaline soil makes up about 50 percent of this complex. It is in the less sloping, lower part of the <br />slope. Torriorthents make up about 30 percent. They are on the steeper part of side slopes and on small <br />ridgetops. <br />TR-20 2.04 - 25 3/01 <br />