Salcha River: The floats facilitate the dragging of the line into the ditch. After the pipe is pulled across the river, the floats are removed., 1976-05, PCA0002-1b-21, Folder: PCA0002-1b. 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/17359 Accessed May 23, 2025.