Listing Endangered and Threatened Species; 90-Day Finding on a Petition To List Chinook Salmon

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We, NMFS, announce a 90-day finding for a petition to list the Chinook salmon (Oncorhynchus tshawytscha) in the Upper Klamath and Trinity Rivers Basin as threatened or endangered and designate critical habitat under the Endangered Species Act (ESA). We find that the petition presents substantial scientific information indicating the petitioned actions may be warranted. We will conduct a status review of the Chinook salmon in the Upper Klamath and Trinity Rivers Basin to determine if the petitioned actions are warranted. To ensure that the review is comprehensive, we solicit information pertaining to this species and its habitat from all interested parties.