Railroad Archives Online
- CollectionD0237A - Great Northern Railway Historical Society Cascade Division Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- ItemGNRHSCD002 - Great Northern Plat Map of Edmonds, Washington, 1944
- ItemGNRHSCD059 - Sanborn Fire Map and Index for Anacortes, Washington, October 1925
- ItemGNRHSCD060 - Sanborn Fire Map and Index for Anacortes, Washington, May 1944
- ItemGNRHSCD061 - Sanborn Fire Map of Anacortes, Washington, October 1925
- ItemGNRHSCD062 - Sanborn Fire Map of Anacortes, Washington, October 1925
- 190 more...