(Travis VanZant/California Department of Fish and Wildlife via AP)

A hatchery truck unloads juvenile chinook salmon from the Iron Gate Fish Hatchery, Siskiyou County, California, into the Fall Creek facility on July 7. Recently, California fish and wildlife officials decided not to release more than 1 million hatchery-raised baby chinook into the wild, and instead drove them to several hatcheries that could hold them until Klamath River conditions improve for their release.