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2 dams illustrate challenge of maintaining older designs

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LOS ANGELES (AP) — Twelve years ago, widespread destruction from Hurricane Katrina on the Gulf Coast helped compel federal engineers 2,000 miles away in California to remake a 1950s-era dam by constructing a massive steel-and-concrete gutter that would manage surging waters in times of torrential storms. The nearly $1 billion auxiliary spillway at Folsom Dam, … Continue reading

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