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
- 17 more...
- ItemGNRHSCD075 - Sanborn Fire Map of Concrete, Washington, December 1925
- ItemGNRHSCD076 - Sanborn Fire Map of Edwall, Washington, December 1922
- ItemGNRHSCD077 - Sanborn Fire Map of Edwall, Washington, December 1922
- ItemGNRHSCD078 - Sanborn Fire Map of Ephrata, Washington, June 1922
- ItemGNRHSCD079 - Sanborn Fire Map of Ephrata, Washington, June 1922
- ItemGNRHSCD080 - Sanborn Fire Map of Ephrata, Washington, June 1922
- ItemGNRHSCD081 - Sanborn Fire Map of Ephrata, Washington, June 1922
- ItemGNRHSCD082 - Sanborn Fire Map of Ephrata, Washington, June 1922
- ItemGNRHSCD083 - Sanborn Fire Map of Ephrata, Washington, June 1922
- 169 more...