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How many species living in the Gulf Islands and marshlands were at risk?

What endangered species of turtle were at risk?

What ecosystem was lost?

How many dead birds were counted?

How many dead sea turtles?

How many dead dolphins?

How long will the ecosystem require to recover on average

For how long after the spill could tar balls still be found on the Mississippi coast?

How many miles of coastline were affected?

What state's coasts were affected?