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Isaac

Louisiana Air National Guard soldiers distribute supplies to residents at a Point of Distribution center on September 3, 2012 in New Orleans, Louisiana. Around 240,000 residents remain without power in Louisiana following Hurricane Isaac. (Photo by Mario Tama/Getty Images)

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.