AS 25: Here, about 140 miles north of Valdez, a VSM is being installed in a 24-inch diameter hole. A sand-water slurry is poured in the annular space between the outside of the VSM and the drilled hole., 1976-03, PCA0002-1a-31, Folder: PCA0002-1a. 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/17307 Accessed February 22, 2025.