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
- 1339 more...
- アイテムStruc007368 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- アイテムStruc007369 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- アイテムStruc007370 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1977
- アイテムStruc007373 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1976
- アイテムStruc007374 - Northern Pacific Engineering Drawing, Yard Office at Longview, Washington, 1978
- アイテムStruc007777 - Northern Pacific Engineering Drawing, Depot at Trident, Montana, 1976
- アイテムStruc007778 - Northern Pacific Engineering Drawing, Depot at Trident, Montana, 1976
- アイテムStruc007779 - Northern Pacific Engineering Drawing, Depot at Trident, Montana, 1910
- アイテムStruc007780 - Northern Pacific Engineering Drawing, Depot at Trident, Montana, 1910
- 314 more...