Extras
Beginning in the 1930s, large dams were built on important watersheds.
Big Dams of the American West
The Paiute people built sophisticated irrigation canals to channel water in California.
Owens Valley Paiute
Explore the 1928 dam collapse, the second deadliest disaster in California history.
Trailer | Flood in the Desert
In 1922, Mulholland began building the St. Francis Dam to meet the needs of Los Angeles.