DANGER PENT UP AGAINST AGING DAMS

Posted by: NYTimes.com                           Authored by: Henry Fountain

NOT INACTIVE Engineers now know that the Lake Isabella Dam lies on an active fault line. Below, a survey monument used to measure ground movement.

LAKE ISABELLA, Calif. — Frank Brassell, owner of Nelda’s Diner in this town wedged between the slopes of the southern Sierra Nevada, knows his fate should Lake Isabella Dam, a mile up the road, suddenly fail when the lake is full….Lake Isabella Dam is just one acute example of a widespread problem: Of the nation’s 85,000 dams, more than 4,400 are considered susceptible to failure, according to the Association of State Dam Safety OfficialsRead Full Article Here

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