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Permeability of the Pinon soil is moderate. Available water <br />.~apacrty is very low. Effective rooting depth is 10 to 20 inches. <br />Runoff is medium, and the hazard of water erosion is high. <br />The Bowdish soil is moderately deep and well drained. It formed <br />in residuum derived dominantly from interbedded sandstone and shale. <br />Slope is 3 to 15 percent. Typically, the surface layer is brown loam <br />about 5 inches thick. The upper 7 inches of the underlying material <br />is light brown loam. The lower part to a depth of 23 inches is <br />pinkish white gravelly loam. Hard sandstone is at a depth of 23 <br />inches. In some areas the surface layer is sandy loam, sandy clay <br />loam, gravelly sandy loam, or cobbly sandy loam. <br />Permeability of the Bowdish soil is moderate. Available water <br />capacity is law. Effective rooting depth is 20 to 40 inches. Runoff <br />is medium, and the hazard of water erosion is high. <br />Rock outcrop consists of exposed bedrock. Areas are gently <br />sloping to steep. They occur as 10 to 50 foot escarpments and as <br />scattered outcrops 1 inch to 12 inches above ground level. <br />This unit is used for limited Irvestock grazing and wildlife <br />habitat. <br />The potential plant community on this unit is mainly pinyon pine <br />.and Utah juniper and an understory of Indian ricegrass, Salina <br />wildrye, galleta, and big sagebrush. The average annual production of <br />air-dry understory vegetation is about 300 to 800 pounds per acre. <br />Stand density and canopy cover is denser on the shallow Pinon soil and <br />adjacent to Rock outcrop. <br />2~8 <br />