Mississippi Riverflooding worsens, with the Army Corps of Engineers saying an area between Simmesport, Louisiana and Baton Rouge will be submerged 20-30 feet, and 13% of US oil refinery output disrupted. [http:--www.businessweek.com-news-2011-05-10-mississippi-flooding-threatens-crops-refineries-and-homes.html "(Business Week)"]