Cedar River Pipeline #4 Bow Lake U.C. August 1952 HRH - negatvies and prints, 1952 - 1952, Box: 1, Folder: 03416-03426. Water Department Photographic Negatives, 8200-13. Seattle Municipal Archives. https://leglas100/finding-aids/repositories/2/archival_objects/193969 Accessed June 02, 2026.