Where did California's beaches get their sand?

Scientists have cracked one of the enduring geological mysteries of Southern California’s famed beaches: where the sand comes from.

The Beaches of Long Beach, California

Opinion: Sand is disappearing from San Diego County beaches - The

15 Best Beaches in California for Swimming and Surfing

Major Sand Replenishment Project Underway at Doheny State Beach

California beach access is free for all – Daily News

Iconic California beaches have lost most of their biodiversity

A Dilemma for California Legislators: Preserve Public Beaches or

Southern California beaches are running out of sand - Los Angeles

Southern California's Coast: Past and Future – UC Press Blog

Can Southern California save its disappearing beaches? – Orange

California could lose two-thirds of its beaches by century's end

Carlsbad officials blast Oceanside's sand replenishment plans

Sunken Pleasure: California Will Need Mountains of Sand to Save