Railroad Archives Online
- フォンドD0027 - Timothy Miller Collection
- シリーズ004 - Northern Pacific Railroad Company
- サブシリーズ009 - Engineering Records
- 008 - Physical plant drawing
- 002 - Depots and Freighthouses
- 1331 more...
- アイテムStruc007360 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1960
- アイテムStruc007361 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- アイテムStruc007362 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- アイテムStruc007363 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1978
- アイテムStruc007364 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- アイテムStruc007365 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1978
- アイテムStruc007366 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- アイテムStruc007367 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- アイテムStruc007368 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- 322 more...