Railroad Archives Online
- CollectionD0018 - Robert E. Kelly Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2002 - Plats
- 223 more...
- ItemW2021-012-008 - Great Northern Station Plat for Oroville, Washington, Oroville Number 2, 1915
- ItemW2021-012-009 - Great Northern Station Plat for Skykomish, Washington, 1924
- ItemW2021-012-011 - Great Northern Station Plat for Skykomish, Washington, 1935
- ItemW2021-012-012 - Great Northern Station Plat for Oroville, Washington, 1907
- ItemW2021-012-013 - Great Northern Station Plat for Skykomish, Washington, 1902