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
- 003 - Maintenance Facilities
- 188 more...
- アイテムStruc000527 - Northern Pacific Engineering Drawing, at Spokane, Washington, undated
- アイテムStruc000528 - Northern Pacific Engineering Drawing, at Spokane, Washington, undated
- アイテムStruc000529 - Northern Pacific Engineering Drawing, at Spokane, Washington, undated
- アイテムStruc000530 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1985
- アイテムStruc000531 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1985
- アイテムStruc000532 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1985
- アイテムStruc000547 - Northern Pacific Engineering Drawing, Unnamed Structure at Pasco, Washington, 1983
- アイテムStruc000548 - Northern Pacific Engineering Drawing, Unnamed Structure at Lewiston, Idaho, 1983
- アイテムStruc000549 - Northern Pacific Engineering Drawing, Unnamed Structure at Lewiston, Idaho, 1983
- 1114 more...