California’s Salmon Comeback

June 12, 2013 By: Erin Block

Historically, the Sacramento and San Joaquin river systems saw large runs of salmon. However stresses left from Gold Rush silt, hydroelectric dams, irrigation, and pollution all contributed  the collapse of the salmon population and associated industry in California. Now, with salmon slowly returning, Barry Yeoman details this story of resilience and the threats still at play, via Salon.