After years of protest by Native Americans, massive dam removal project hopes to restore salmon population in Northern California river CBS News
Hundreds of thousands of salmon dead from ‘gas bubble disease’ in US river The Guardian
Hundreds of thousands of fish die in Northern California river SFGATE
California hatchery's first Chinook salmon release ends in massive fish die-off Herald and News
830,000 Young Salmon Released, Killed By Gas Bubble Disease - Videos from The Weather Channel The Weather Channel