Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for Astragalus ampullarioides (Shivwits Milk-Vetch) and Astragalus holmgreniorum (Holmgren Milk-Vetch)

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We, the U.S. Fish and Wildlife Service (Service), announce the reopening of the public comment period on the proposal to designate critical habitat for Astragalus ampullarioides (Shivwits milk-vetch) and Astragalus holmgreniorum (Holmgren milk-vetch) under the Endangered Species Act of 1973, as amended (Act). We also announce the availability of the draft economic analysis for the proposed designation of critical habitat for Holmgren and Shivwits milk-vetches. The draft economic analysis finds that, over 20 years, post-designation costs for Holmgren and Shivwits milk-vetch conservation-related activities are estimated to range between $8.8 and $14.1 million in undiscounted 2006 dollars. In discounted terms, potential post- designation economic costs are estimated to be $8.5 to $13.0 million (using a 3 percent discount rate) or $8.2 to $12.1 million (using a 7 percent discount rate). In addition, we announce the availability of a draft environmental assessment that has been prepared in accordance with the National Environmental Policy Act of 1969 (42 U.S.C. 4321 et seq. ) (NEPA). Finally, we propose to revise boundary descriptions for two critical habitat subunits: Holmgren milk-vet