Here, a module is being installed at one of many animal crossings along the pipeline route. At these locations, a minimum clearance of 10 feet is provided to insure passage of all animals., 1977-04, PCA0002-4b-19, Folder: PCA0002-4b. 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/17811 Accessed February 22, 2025.