…and the floodgates open. (AP)-Water diverted from the Mississippi River spills through a bay in the Morganza Spillway in Morganza, La., Saturday, May 14, 2011. Opening the Morganza spillway diverts water away from Baton Rouge and New Orleans, and the numerous oil refineries and chemical plants along the lower reaches of the Mississippi. (AP Photo/Patrick Semansky)
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…and the floodgates open.

(AP)-Water diverted from the Mississippi River spills through a bay in the Morganza Spillway in Morganza, La., Saturday, May 14, 2011. Opening the Morganza spillway diverts water away from Baton Rouge and New Orleans, and the numerous oil refineries and chemical plants along the lower reaches of the Mississippi. (AP Photo/Patrick Semansky)