Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots/Freighthouses
- ItemWerkema463 - Montana Rail Link Depot at Helena, Montana, in 2003.
- ItemWerkema464 - Montana Rail Link Depot at Helena, Montana, in 2003.
- ItemWerkema506 - Spirit of Washington depot at Renton, Washington, in 2006.
- ItemWerkema507 - An station-like structure at Sedro Wooley, Washington, in 1988.
- ItemWerkema508 - An station-like structure at Sedro Wooley, Washington, in 1988.
- ItemWerkema509 - The Amtrak depot at Spokane, Washington, in 1990.
- ItemWerkema510 - The Amtrak depot at Spokane, Washington, in 1990.
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