31 mayo 1977 año - Trans-Alaska Pipeline
Descripción:
The Trans-Alaska Pipeline was built from 1975 to 1977. The 800-mile Trans-Alaska Pipeline system, including pumping stations, connecting pipelines, and the ice-free Valdez Marine Terminal, ended up costing billions. Tax revenues alone earned Alaskans about $50 billion by 2002.
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31 mayo 1977 año
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~ 48 years ago