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' Dffena-Potts Complez <br />3 to 72 percent elopes ~C) ~e still occurs on tly-eloping to moderately <br />Capability IInit: yle p p and benchea~d mesas in the southern <br />' Loauty Foothill r p~'t of the survey area snd in the Sungveide <br />ange site area, The surface soil ie mostly a loam with <br />0 to j percent slopes (t1-:8) a <br />range between sandy loam and s <br />The subsoil is heavier be s ~~ °yay loam, <br />' clay loam. The water intake rate ie moderate to hi ~ and' cla loam to <br />moderately high. 1t the edges of the ~~ wlth water holding capacity <br />enough to malts an erosion ]iazard. Wig uohrmal~ mesas, the slope may become erteep <br />fdien needed a see g°Od usage, erosion ie no problem. <br />' soils are used for~rg Program °~ be successful, Ae a result of the location, these <br />have a hi edge, However, should a water supply be developed, these soils <br />gh potential for irrigated crops. <br />' Glenburg Clay Loam, wet W This is a deep, poorly drained <br />' 1 to 6 percent slope (33 ) soil on shale and low bottom- <br />Capability unit YIIe land positions at elevations <br />Range site: Salt Meadow of 1{500 to 6000 feet. Zt <br />formed in alluvium from shales <br />' and sandstones. The average annual precitation is about 10 inches. <br />The mean annual air temperature is about 50 F., and the average <br />frost-free period i.s about 145 days. Included in this unit are a <br />' few small areas of Heldt silty clay loam, wet soils having slopes <br />of 1 to 6 percent. Typically the surface layer is a brown clay <br />loam about 6 inches thick. The subsoil is a brown clay loam about <br />!~ inches thick. The substratum below 10 inches is a brown sandy <br />loam to loamy sand with lenses of finer material. Salt accumulatitins <br />may be on the surftice and throughout the profile. Permeability is <br />slow. Effective rooting depth is 60 plus inches. Available water <br />' holding capacity i;: moderate. Surface runoff is slow to ponded and <br />the erosion hazard is slight. This soil is used for irrigated pas- <br />ture but limited due to the overflow and the high water table <br />' conditions. Nature:i vegetation of cattails, tall wheatgrass, rushes <br />and sedges is conducive to a habitat for waterfowl and watering <br />places for other wildlife. Drainage is required for increased <br />production of alfalfa and irrigated pastures. <br />-- <br />' Glenburg Clay Loam This is a deep, well drained <br />1 to 6 percent slope (33C) soil on bottomland positions <br />' Capability unitZIle, irrigated; at elevations of !1500 to 6500 <br />VIIs, nonirrigated feet. It formed in alluvium <br />from shale and sandstone. The <br />average annual precipitation is about 10 inches, mean annual air <br />' temperature is about 50 degrees fahrenheit, and the average frost- <br />free period is about 145 days. Typically the surface layer is a <br />brown clay loam about 6 inches thick. The subsoil is a brown clay <br />loam about 4 inches thick. The substratum below 10 inches is a <br />brown sandy loam to :Loamy sand with lenses of finer material. Salt <br />accumulations may be on the surface and throughout the profile, <br />' Permeability is slow. Effective rooting depth is more than 60 <br />inches. Available water capacity is moderate. Surface runoff is <br />moderate and the erosion hazard is slight. This soil is used for <br />' improved and irrigated pasture. IIrban development should be <br />modified due to textural problems. <br />Range Site: Salt Flats. <br />,~ <br />