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Residents of the Riverbend Nursing Center wait to be evacuated to higher and safer ground as Hurricane Isaac makes landfall, Wednesday, Aug. 29, 2012, in Jesuit Bend, La. Plaquemines Parish ordered a mandatory evacuation for the west bank of the Mississippi below Belle Chasse because of worries about a storm surge. The order affected about 3,000 people, including residents of the nursing home. (AP Photo/Eric Gay)

Isaac's aftermath

Tens of thousands of customers remained in the dark on Sept. 3 in Louisiana and Mississippi, nearly a week after Isaac inundated the Gulf Coast with a deluge that still has some low-lying areas under water.