Seattle Central Railway Co drawings, 6 sheets ; Plan of crossings E Jefferson and 12th, Crossings Pacific Coast Co and Northern Pacific Railroad at First Ave S and King St., lumber req for 100 ft of counter-weight conduit, Eastern end of conduit, 1900, Cabinet: 18-1, Folder: 5. Engineering Department Maps and Drawings, 2613-01. Seattle Municipal Archives. https://leglas100/finding-aids/repositories/2/archival_objects/38697 Accessed July 11, 2026.