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Aquafornia news San Francisco Chronicle
As it carves its way through Muir Woods National Monument, Redwood Creek might look to be the way nature intended it. But it isn’t. It is the way the Civilian Conservation Corps intended it, shoved and straightened by 120 tons of rock riprap placed in the 1930s as a flood-control measure. … Now, nearly a century later, most of the man-made embankment will be removed, allowing a mile-long stretch of the creek on the valley floor to return to its natural floodplain.