Railroad Archives Online
- FondsD0027 - Timothy Miller Collection
- Cyfres004 - Northern Pacific Railroad Company
- Is-gyfres009 - Engineering Records
- 008 - Physical plant drawing
- 002 - Depots and Freighthouses
- 245 mwy...
- EitemStruc002603 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1911
- EitemStruc002604 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1911
- EitemStruc002605 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1910
- EitemStruc002606 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1911
- EitemStruc002607 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1950
- EitemStruc002608 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1950
- EitemStruc002609 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1950
- EitemStruc002610 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1949
- EitemStruc002611 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1950
- 1408 mwy...