The U.S. Army Corps of Engineers have been blamed by officials and residents for the failure of several canals in the New Orleans area. The failure of three of those canals, the 17th Street, London Ave. and Orleans Ave. canals, caused a majority of the flooding in St. Bernard Parish and New Orleans' Lower 9th Ward during Hurricane Katrina.

A pending article in the peer-reviewed journal Water Policy, written by experts involved in some of the most significant previous examinations of the catastrophe, sets out to refine some high-profile early versions of the factors that led to the disaster, an article on the New York Times explains.

A 2005 lawsuit focuses on the now-closed Mississippi River Gulf Outlet — a federally built navigation canal authorized by Congress in 1956, built by the U.S. Army Corps of Engineers and closed in the years after Katrina.

Numerous other lawsuits filed against the federal government over Katrina-related flooding have failed.

Click here to read the full NYT article.