A work pad made of snow, rather than gravel, was used to install the remaining five mile segment of above ground pipeline, just north of the Brooks Range., 1977-01, PCA0002-4a-19, Folder: PCA0002-4a. Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977, PCA 2. Alaska State Library - Historical Collections Finding Aids. https://alaska.libraryhost.com/repositories/2/archival_objects/17730 Accessed February 22, 2025.