Endangered and Threatened Wildlife and Plants; Revised Critical Habitat for Riverside Fairy Shrimp

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We, the U.S. Fish and Wildlife Service, announce the reopening of the public comment period on the June 1, 2011, proposed revised designation of critical habitat for Riverside fairy shrimp (Streptocephalus woottoni) under the Endangered Species Act of 1973, as amended (Act). We are revising the preamble to the proposed designation to clarify that certain subunits that we originally proposed for revised critical habitat designation under section 3(5)(A)(i) of the Act, are now also being proposed under section 3(5)(A)(ii) of the Act because these areas are essential for the conservation of the species but were not confirmed to be occupied by Riverside fairy shrimp at the time the species was listed in 1993. We also announce the availability of a draft economic analysis (DEA) of the proposed designation of revised critical habitat for Riverside fairy shrimp and an amended required determination section of the proposal. We are reopening the comment period for an additional 30 days to allow all interested parties an opportunity to comment simultaneously on the proposed revised critical habitat designation, the associated DEA, and the amended required determinations section. Comments pre