Oil pipeline running 800 mi (1,300 km) north-south across Alaska, U.S. Completed in 1977, it transports crude oil from the oil fields of Prudhoe Bay on the Arctic Ocean to an ice-free port at Valdez. To avoid thawing the adjacent permafrost, about half of the line is elevated.
Variants of TRANS-ALASKA PIPELINE
Trans-Alaska Pipeline or Alaska Pipeline
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