Little oil has shown up on the surface of the Gulf of Mexico since a temporary cap stopped oil from leaking out of the broken well two weeks ago. But scientists say that doesn't mean the oil is gone.
There's still al lot of it in the Gulf, though no one is sure quite how much or exactly where it is.
Jane Lubchenco, the head of the National Oceanic and Atmospheric Administration, says government and independent scientists have been working to figure out where the oil might be. But they still don't have numbers.
Some is still washing up on beaches and in coastal wetlands, but not in the large quantities it was a few weeks ago.
Scientists do know that more than 600 miles of coastline has been oiled since the explosion of the offshore oil rig Deepwater Horizon.
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