Railroad Archives Online
- D0027 - Timothy Miller Collection
- Ro`yxat004 - Northern Pacific Railroad Company
- Ro`yxat-osti009 - Engineering Records
- 008 - Physical plant drawing
- 002 - Depots and Freighthouses
- 1335 more...
- Struc007364 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- Struc007365 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1978
- Struc007366 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- Struc007367 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- Struc007368 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- Struc007369 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- Struc007370 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- Struc007373 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1976
- Struc007374 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1978
- 318 more...