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FILE - The Klamath River flows where Iron Gate Reservoir once was as work to remove of the Iron Gate and Copco Dams continues on the Klamath River near Hornbook, Calif., July 25, 2024. (Carlos Avila Gonzalez/San Francisco Chronicle via AP, File)

FILE - The Klamath River flows where Iron Gate Reservoir once was as work to remove of the Iron Gate and Copco Dams continues on the Klamath River near Hornbook, Calif., July 25, 2024. (Carlos Avila Gonzalez/San Francisco Chronicle via AP, File)

FILE - The Hillman family, from left, Leaf, Lisa, and Chaas, hug as construction crews removed the final cofferdam that was left of Iron Gate Dam allowing the Klamath River to run freely near Hornbrook, Calif., Aug. 28, 2024. (Carlos Avila Gonzalez/San Francisco Chronicle via AP, File)

FILE - The Hillman family, from left, Leaf, Lisa, and Chaas, hug as construction crews removed the final cofferdam that was left of Iron Gate Dam allowing the Klamath River to run freely near Hornbrook, Calif., Aug. 28, 2024. (Carlos Avila Gonzalez/San Francisco Chronicle via AP, File)

FILE - The Iron Gate Dam powerhouse and spillway are seen on the lower Klamath River near Hornbrook, Calif., March 2, 2020. (AP Photo/Gillian Flaccus, File)

FILE - The Iron Gate Dam powerhouse and spillway are seen on the lower Klamath River near Hornbrook, Calif., March 2, 2020. (AP Photo/Gillian Flaccus, File)