Chugach Mountain Range, work was under way in two special construction areas. (19) The pipeline was being buried atop the east wall of Keystone Canyon, a beautiful but rugged four-mile-long pass just east of, 1976-09, PCA0002-3a-19, Folder: PCA0002-3a. 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/17568 Accessed February 22, 2025.