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<br /> <br /> <br /> <br /> <br />1 <br /> <br /> <br />1 <br /> <br /> <br /> <br />1 <br />1 <br />1 <br /> <br /> <br />1 <br /> <br />For the irrigated pasture lands to the east and south of the pit, the <br />groundcover basal density is estimated to be generally in excess of about <br />75 percent. For the existing pit area bare ground is prevalent with <br />isolated patches of invading vegetation. Where vegetation occurs, the <br />patches have a density of no more than about five± percent. The overall <br />existing canopy cover of tree species immediately to the west of the pit is <br />approximately 407, (basal density ranging from about 10 percent); with the <br />understory vegetation cover of grasses, (orbs and small shrubs (such as <br />current and Woods Rose) on these lands ranging from about 35-75 percent <br />basal density. <br />vegetation and estimated percent range in occurance of species on the <br />In order of overall relative abundance made by visual estimates, the <br />undisturbed ground adjacent to the affected area <br />Species <br />Trees <br />Scrub Oak (Quercus gambelii) <br />Narrow-leaf Cottonwood (Populus spp.) <br />Ponderosa Pine (Pious ponderosa) <br />Willow (Salix spp.) <br />Shrubs and Half-shrubs <br />9 of Total Cover <br />10 <br />5 <br />T-1 <br />1 <br />Wax Current (Ribes aureum) T-1 <br />Big Sagebrush (Artemesia tridentata) T <br />Wood's Rose (Rosa woodsii) T-2 <br />Rubber Rabbitbrush (Chrysothamnus nauseosus) T <br />Grasses and Grass-like Plants <br />Arizona Fescue (Festuca arizonica) 5-10 <br />Western Wheatgrass (Agropyron smithii) T-5 <br />Indian Ricegrass (Oryzopsis hymenoides) 2-5 <br />Tufted Hairgrass (Deschampsia caespitosa) 2-5 <br />Bluegrass (Poa spp.) 2-5 <br />Mutton Grass (Poa fendleriana) T-5 <br /> <br />