Deepwater Horizon burns in the Gulf of Mexico

The offshore oil rig Deepwater Horizon burns in the Gulf of Mexico shortly before it sank April 22, 2010. | Photo courtesy Jon T. Fritz/MCT

An oil soaked bird struggles against the oil slicked side of the HOS Iron Horse supply vessel at the site of the Deepwater Horizon oil spill in the Gulf of Mexico off the coast of Louisiana Sunday, May 9, 2010. (AP Photo/Gerald Herbert)

An oil-soaked bird struggles against the side of a supply vessel May 9, 2010, at the site of the Deepwater Horizon oil spill in the Gulf of Mexico. | AP Photo/Gerald Herbert

A containment device waits to be lowered into the water

A containment device waits to be lowered May 6, 2010 into the water at the site of the Deepwater Horizon oil spill. (Rick Loomis/Los Angeles Times/MCT) |

OILSPILL

Workers clean oil residue form the rocks that form a jetty protecting a Gulfport, Mississippi, boat ramp as Secretary of the Navy Ray Mabus announces his plan for Gulf Coast restoration. (Amanda McCoy/Biloxi Sun Herald/MCT) | Amanda McCoy/Biloxi Sun Herald/MCT

Click here for a graphic guide on drilling facts, ecological and environment impacts, and containing, capping and cleaning up the spill.

Sign up for email newsletters now!

Sign up for email newsletters now!

Never miss a McClatchy story