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
- 1330 more...
- ItemStruc007359 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1960
- ItemStruc007360 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1960
- ItemStruc007361 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- ItemStruc007362 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- ItemStruc007363 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1978
- ItemStruc007364 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- ItemStruc007365 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1978
- ItemStruc007366 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- ItemStruc007367 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- 323 more...