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tile. The surface layer of dark brown sandy loam is about eight inches thick. Weakly-cemented, soft <br /> sandstone and shale are found at a depth of about 32 inches. Runoff is medium to rapid and erosion <br /> hazard is moderate. <br /> This soil type supports primarily native grasses (Sandy Foothill Range Site) and is used for grazing <br /> livestock. The soil supports big bluestem, little bluestem, prairie sandreed, thickspike wheatgrass, <br /> mountain mahogany, yucca, snowberry and squawbush. In a deteriorated condition, the site would be <br /> expected to support needle-and-thread, blue grama, sand dropseed, junegrass, three-awn, and dryland <br /> sedge, and gambel oak would increase. <br /> Newlin gravelly sandy loam: The surface layer of dark grayish-brown gravelly sandy loam is about eight <br /> inches thick. Runoff is medium and the erosion hazard is slight to moderate. <br /> This soil supports native grasses (Gravelly Foothill Range Site), and is important for livestock grazing and <br /> wildlife habitat. Grasses and shrubs supported, depending on condition, may include needle grasses, <br /> prairie sandreed, junegrass, little bluestem, side-oats grama, the blue grasses, bluebunch wheatgrass, <br /> fringed sage brush and mountain mahogany. In a deteriorated condition, blue grama, western <br /> wheatgrass, and gambel oak would be present. <br /> 3.5 Wetlands <br /> There are no identified wetlands mapped by the U. S. Fish and Wildlife within the proposed mine pit or <br /> within the mine permit area. Mining activities will not occur within 50 feet of Mellon Gulch, an <br /> ephemeral drainage bisecting the mine permit boundary area from northwest to southeast. <br />