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Exhibit J <br /> <br />Yucca lauca Yucca <br />Low Sbrubs 3% <br />Artemisia i ida Frin ed sa ebrush ~ <br />Ceratoides Janata Winterfat <br />Erio ovum jamesii Wild buckwheat <br />Gutierrezia sarothrae Snakeweed <br />O untia olyacantha Prickl ear . <br />Forbs 10% <br />Ar emone olyanthemos Prickly po y <br />Asc1e ias speciosa Showy milkweed <br />Astragalus s Milk-vetch <br />Carduus nutans Musk thistle <br />Castille ~a inte ra Indian paintbrush <br />Cricurbita oetidissima Stinkin wild gourd <br />Helianthus annuus Sunflower <br />Kochia scoparia Kochia <br />Verbascum tha sus Common mullein <br />Xanthium strumarium Cocklebur <br />Zinnia grandiflora Large-flowered zinnia <br />Grasses 60% <br />Andro 0 on hallii Sand bluestem <br />Bouteloua racilis Blue grama <br />Buchloe dactyloides Buffalograss <br />Koeleria macrantha Prairie 'unegrass <br />Muhlenber ilorreyi Rin muhly <br />Oryzo sis hymenoides Indian rice ass <br />Pasco yrum smithii Western wheat rass <br />Schizachyrium sco arium Little bluestem <br />Setdria viridus Green foxtai] <br />S orobolus airoides Alkali sacaton <br />S orobolus cry tandrus Sand dro seed <br />References: Stubbendieck 1992, Weber 1990, whetson LuUU. <br />RELATIONSHIP OF VEGETATION TO SOIL TYPES <br />Three soil units aze found at the project azea. Refer to the soils map in Exhibit I. Manvel <br />silt loam, 1-5 percent slopes, covers most of the project. area. The native vegetation <br />occurring on this soil type is mainly plains grasses, and winterfat. The average annual <br />production of air-dry vegetation is about 1,200 pounds per acre. Penrose-Minnequa <br />complex, 1 to 15 percent slopes, occurs in strips throughout the project area. On this soil <br />type, the native vegetation is mainly plains grasses, yucca, Bigelow sagebrush, and some <br />spazse juniper and skunkbrush. The potential production of the native understory <br />vegetation in normal years is approximately 600 to 800 pounds of air-dry vegetation per <br />acre. <br />AppExbibitsA-r-APP(1180)Rev80anuary IT, 2°02 J-'~ <br /> <br />