Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots/Freighthouses
- 30 more...
- ItemWerkema453 - Northern Pacific depot in Ellensburg, Washington in 1999.
- ItemWerkema454 - Northern Pacific depot in Ellensburg, Washington in 1999.
- ItemWerkema455 - Northern Pacific depot in Ellensburg, Washington in 1999.
- ItemWerkema456 - Northern Pacific depot in Ellensburg, Washington in 1999.
- ItemWerkema459 - Northern Pacific Depot at Grandview, Washington, in 2008.
- ItemWerkema460 - Northern Pacific Depot at Grandview, Washington, in 2008.
- ItemWerkema461 - Northern Pacific Depot at Grandview, Washington, in 2008.
- ItemWerkema462 - Northern Pacific Depot at Grandview, Washington, in 2008.
- ItemWerkema465 - Northern Pacific Depot at Issaquah, Washington, in 1992.
- 37 more...