Photos | A look back at the BP oil spill
ADDITION Gulf Oil Spill
Credit: AP
** ADDS STATE ** A dolphin lies on dead on a beach on Horn Island,Miss., in the Gulf of Mexico, Tuesday, May 11, 2010. Officials say that at least six dead dolphins have been found on the Gulf Coast since May 2. Authorities don't know whether the animals died from the Oil in the Gulf. (AP Photo/Mike Stewart)
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