E 115th St et al - Trenching, laying pipe, unloading pipe, well points, electrical connection - prints and negs - LHB - 4-25-1956, 1956 - 1956, Box: 4, Folder: 04552. Water Department Photographic Negatives, 8200-13. Seattle Municipal Archives. https://leglas100/finding-aids/repositories/2/archival_objects/194551 Accessed June 02, 2026.