New Orleans-Standing on a bridge he helped build, U.S. Army Corps of Engineers project manager Jack Fredine surveys the mouth of New Or-leans's 17th Street Canal. A year ago, this was a spot nobody paid a lick of attention to. Now, thanks to Hurricane Katrina and the catastrophic failure of the canal's levee, it's infamous. Just downstream, to the north, lies the broad expanse of Lake Pontchartrain, from which a 12-foot wall of water surged into the canal on the morning of August 29.
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