South Receiving substation - arrangement plan basement floor and piping - 1937-1938 6 drawings ; West Boeing Plant Substation - General arrangement - 1953 - 1 drawing, 1937-1953, Cabinet: 36-1, Folder: 3. City Light Plans and Drawings, 1202-08. Seattle Municipal Archives. https://leglas100/finding-aids/repositories/2/archival_objects/161886 Accessed May 27, 2026.