Gulf Oil Spill May Eclipse Exxon Valdez

The spill was bigger than imagined - five times more than first estimated - and closer. Faint fingers of oily sheen were reaching the Mississippi River delta, lapping the Louisiana shoreline in long, thin lines.

"It is of grave concern," David Kennedy of the National Oceanic and Atmospheric Administration, told The Associated Press. "I am frightened. This is a very, very big thing. And the efforts that are going to be required to do anything about it, especially if it continues on, are just mind-boggling."

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