
Shrimp boats equipped with booms
collect oil in Chandeleur Sound, La., on May 5. (AP Photo/Eric Gay)

Oil moves past an oil rig, top right, in Chandeleur Sound on
May 5. (AP Photo/Eric Gay)

An oil-soaked bird struggles against the side of an Iron
Horse supply vessel at the site of the oil spill off Louisiana on May 9.
(AP Photo/Gerald Herbert)

A Portuguese man-of-war is seen from under the
oily water
in Chandeleur Sound on May 6. (AP Photo/Alex Brandon)

A dead jellyfish floats amid oil May 6 in the Gulf of
Mexico, southwest of the Southwest Pass of the Mississippi River on the
coast of Louisiana. (AP Photo/Patrick Semansky)

A Coast Guard plane flies over the Development Driller III
oil drilling platform, which was drilling a
relief well May 12 at the site of the
Deepwater Horizon oil spill. (AP Photo/Charlie Riedel)

Risers, the outer casings of oil
drill pipes, are seen on the deck of the service vessel Joe Griffin as
it prepares to head to Port Fourchon, La., on May 11. (Pool Photo/Gerald
Herbert)

An aerial view of the northern Chandeleur barrier islands,
20 miles from the main
Louisiana coastline, shows sheens of oil
reaching land May 6. (AP Photo/David Quinn)

A pod of bottlenose dolphins swims in the oily water of
Chandeleur Sound on May 6. Five days later, six dead dolphins were
found along the
Gulf Coast.
Officials were investigating oil's role in the deaths. (AP Photo/Alex
Brandon)

An oil-stained cattle egret is seen on the deck of the Joe
Griffin supply vessel May 9. (AP Photo/Gerald Herbert)

Oil swirls in the Gulf of Mexico currents May 6. (AP
Photo/Dave Martin)

Contractors unload oil booms to protect marshlands May 13 in
Hopedale, La. (John Moore/Getty Images)

Pelicans fly past a nest of
eggs
apparently stained with oil on a Louisiana island May 22. The
island is home to hundreds of brown pelican nests as well as terns,
gulls and roseated spoonbills. (AP Photo/Gerald Herbert)

A glob of oil thought to be from
the massive oil spill in the Gulf of Mexico sits on a reed on a beach in
Southwest Pass, La., on May 15. (Reuters/Lee Celano)

A Greenpeace worker collects samples of oil May 19 that
washed up along the mouth of the Mississippi River near Venice, La. (AP
Photo/Charlie Riedel)

An oil-covered dragonfly, stuck to
marsh grass, tries to clean itself May 18 in Garden Island Bay near
Venice. (AP Photo/Gerald Herbert)

Birds fly over oil on the water April 29 near Breton Sound
Island, on the southernmost tip of the
Chandeleur Islands. (Reuters/Sean
Gardner/Greenpeace/Handout)
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