'Flood fighting is in our DNA': To live by the Feather River is to know its power and danger

Interactive: Southern California's off-leash dog beaches

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Sources: Times reporting, GoogleEarth, Digital Globe, U.S. Geological Survey, ESRI, TeleAtlas
Written by Robert Burns; illustrated and animated by Lorena Iñiguez Elebee; photographed by Lorena Iñiguez Elebee and Robert Burns; edited by Les Dunseith, Stephanie Ferrell and Susan Worrell.

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