156K views · 965 reactions | "The Alaska Pipeline -- A Progress Report, Sept. 1975, Episode 1: "The trans-Alaska Pipeline by mid-September 1975 is 29% complete." #TBT | Alyeska Pipeline Service Company | Facebook

13K views · 185 reactions | "To allow proper contraction and expansion of the line and to accommodate potential seismic movement." #TBT The Alaska Pipeline -- A Progress Report, Sept. 1975, Episode 6: | Alyeska Pipeline Service Company | Facebook

9K views · 210 reactions | "In order to pursue their trade, pipeliners have to be transient. They have to go where the work is and the work is generally someplace other than where they'd like to be." #TBT The Alaska Pipeline -- A Progress Report, Sept. 1975 | Alyeska Pipeline Service Company | Facebook

Forty years ago today, Alaska’s steel artery – the Trans Alaska Pipeline System – pumped its first barrel of oil, and 17 billion more have followed since. It is impossible to overstate the importance of TAPS to Alaska: supporting our schools and public services, building a strong economy, and bringing countless opportunities to Alaskans. Looking forward to many more years of a full and functional pipeline. Happy Birthday, TAPS! | Senator Dan Sullivan