Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3002 - Depots and Freighthouses
- 252 more...
- ItemStruc002610 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1949
- ItemStruc002611 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1950
- ItemStruc002612 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1949
- ItemStruc002613 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1965
- ItemStruc002614 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1965
- ItemStruc002615 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1965
- ItemStruc002616 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, 1965
- ItemStruc002623 - Northern Pacific Engineering Drawing, Depot at Kelso, Washington, undated
- ItemStruc002624 - Northern Pacific Engineering Drawing, Depot at Hoquiam, Washington, 1951
- 1401 more...