Photographer describes Gulf oil spill timeline

Associated Press
Dead mangrove is seen on the water near the heavily eroded shoreline of Cat Island in Barataria Bay in Plaquemines Parish, La., Wednesday, April 11, 2012. (AP Photo/Gerald Herbert)

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AP photographer Gerald Herbert documented the devastation at Cat Island in Barataria Bay, in Plaquemines Parish, La. a month into the Deepwater Horizon oil spill, and returned two years later to find the area in a worse state of deterioration.

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