This primary source comes from the Collection GRF-WHPO: White House Photographic Office Collection (Ford Administration).
Full Citation: President Gerald R. Ford Touring the Trans-Alaska Pipeline; 1/29/1975; Gerald R. Ford White House Photographs, 8/9/1974 - 1/20/1977; Collection GRF-WHPO: White House Photographic Office Collection (Ford Administration); Gerald R. Ford Library, Ann Arbor, MI. [Online Version, https://docsteach.org/documents/document/president-ford-touring-trans-alaska-pipeline, May 5, 2024]