Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 16 more...
- Itemimg1016 - Great Northern Depot at Skykomish, Washington, 1987
- Itemimg1017 - Great Northern Depot at Skykomish, Washington, 1987
- Itemimg1018 - Great Northern Depot at Skykomish, Washington, 1999
- Itemimg1019 - Great Northern Depot at Skykomish, Washington, 1999
- Itemimg1020 - Great Northern Depot at Skykomish, Washington, 2008
- Itemimg1021 - Great Northern Depot at Winton, Washington, 1999
- Itemimg1022 - Great Northern Depot at Winton, Washington, 1999
- Itemimg1023 - Great Northern Depot at Winton, Washington, 1999
- Itemimg1024 - Great Northern Depot at Fargo, North Dakota, 2005
- 132 more...