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f <br />• XE6-E Midway-Rock outcrop complex, 12 to 65 percent slopes <br />This complex consists of a shallow, well drained soil on moderately <br />steep to steep hills, ridges, and rock outcrops. The Midway sail makes up <br />approximately 50 percent of this unit, and the rock outcrop makes up approxi- <br />mately 30 percent of the unit. The Midway soil formed in residual material <br />from shale. Elevation is 6,000 to 7,000 feet. The average annual precipita- <br />tion is about 14 [0 18 inches. The average annual air temperature is 47 to <br />50 degrees. The frost-free season is 110 to 130 days. <br />Typically, the surface layer of the Midway soil is light brownish gray <br />clay loam about 3 inches thick. The underlying material is light gray clay <br />that overlies soft shale aC about 6 to 20 inches. <br />Included in this unit is about 15 percent Gaynor clay, S percent Heldt <br />• silty clay loam and small areas of Tassel and Travessilla soils and sails that <br /> are lighter in texture than typical of the Midway series. <br />Permeability is very slow. Effective rooting depth is 6 to 20 inches. <br />Available water capacity is Law. Surface runoff is rapid and erosion hazard <br />is high. <br />This soil is used primarily for range and wildlife. <br />The native vegetation in most places consists of Indian ricegrass, <br />western wheatgrass, needle-and-thread grass, bluegrass, pinon pine, Rocky <br />Mountain juniper, mountain mahogany, Cambel oak, serviceberry, bitterbrush, <br />and big sagebrush. Proper grazing use coupled with planned grazing systems <br />are the most important practices to maintain quality and quantity of range- <br />land vegetation. Range seeding along with deferment will speed up areas <br />depleted by heavy grazing, and other disturbances. Reseeding must 6e done <br />. by hand broadcasting or aerial seeding. Revegetation is important on these <br />