RMEJP6PM–Major General Michael Walsh, Commander of the U.S. Army Corps of Engineers Mississippi Valley Division, gives an overview of the massive IHNC-Lake Borgne Surge Barrier to the Honorable John McHugh, Secretary of the U.S. Army, during a helicopter tour of civil engineer projects in New Orleans, LA, on May 24, 2011. The 1.8-mile IHNC-Surge Barrier, the largest design-build civil works project in Corps history, stands 26 feet above water and is the largest of its kind in the world. USACE photo by Jenny Marc
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