This April 11, 2018 photo shows an elevated fish ladder designed to help migrating fish swim through the Lower Granite Dam on the Snake River near Almota, Wash.
This April 11, 2018 photo shows an elevated fish ladder designed to help migrating fish swim through the Lower Granite Dam on the Snake River near Almota, Wash. Nicholas K. Geranios AP
This April 11, 2018 photo shows an elevated fish ladder designed to help migrating fish swim through the Lower Granite Dam on the Snake River near Almota, Wash. Nicholas K. Geranios AP