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
- 582 more...
- アイテムStruc005725 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- アイテムStruc005726 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- アイテムStruc005727 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- アイテムStruc005728 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- アイテムStruc005729 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- アイテムStruc005730 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- アイテムStruc005731 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- アイテムStruc005732 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- アイテムStruc005733 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- 720 more...