In this Tuesday, June 11, 2013, photo, a small shell is embedded in a tar ball on the beach in Gulf Shores, Ala. After three years and $14 billion worth of work following the BP oil spill in the Gulf

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In this Tuesday, June 11, 2013, photo, a small shell is embedded in a tar ball on the beach in Gulf Shores, Ala. After three years and $14 billion worth of work following the BP oil spill in the Gulf of Mexico, the petroleum giant and the Coast Guard say it's time to end extraordinary cleanup operations in Alabama, Florida and Mississippi. (AP Photo/Dave Martin) less 

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Associated Press
Sun, Jun 16, 2013 6:50 PM EDT