FILE - Excess water spills over the top of a dam on the Lower Klamath River known as Copco 1 near Hornbrook, Calif. Federal regulators on Friday, Aug. 26, 2022 issued a final environmental impact statement that supports the demolition of four massive dams on Northern California's Klamath River to save imperiled migratory salmon. (AP Photo/Gillian Flaccus, File)