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
- 11 more...
- ItemWerkema432 - Northern Pacific Depot in Centralia, Washington in 1988.
- ItemWerkema433 - Northern Pacific Depot in Centralia, Washington in 1988.
- ItemWerkema434 - Northern Pacific Depot in Centralia, Washington in 1988.
- ItemWerkema435 - Northern Pacific Depot in Centralia, Washington in 1988.
- ItemWerkema436 - Northern Pacific Depot in Centralia, Washington in 1988.
- ItemWerkema437 - Northern Pacific Depot in Centralia, Washington in 1988.
- ItemWerkema438 - Northern Pacific Depot in Centralia, Washington in 1988.
- ItemWerkema439 - Northern Pacific Depot in Centralia, Washington in 1988.
- ItemWerkema442 - Northern Pacific depot in Deer Lodge, Montana in 1998.
- 56 more...