An oil pipeline that runs 800 miles from wells at Prudhoe Bay to the port of Valdez.
1Plans followed for removal of the oil through a trans-Alaska pipeline.
2Valdez sits at the end of the 800-mile, trans-Alaska pipeline.
3More than 20 years ago, nearly 2 million barrels a day flowed through the 800-mile (1,300-km) trans-Alaska pipeline system.
4An oil tanker nears the Trans-Alaska Pipeline Marine Terminal in Valdez, Alaska, August, 9 2008.
5A mooring station for oil tankers can be seen at the Trans-Alaska Pipeline Marine Terminal in Valdez, Alaska on August 8, 2008.
6The Trans-Alaska Pipeline, which runs from Prudhoe Bay to the tanker port of Valdez, normally ships about 667,000 barrels of oil daily.