Railroad Archives Online
- 宗卷D0027 - Timothy Miller Collection
- 系列004 - Northern Pacific Railroad Company
- 次系列009 - Engineering Records
- 008 - Physical plant drawing
- 003 - Maintenance Facilities
- 569 more...
- 物件Struc005709 - Northern Pacific Engineering Drawing, Car Shop, One Spot at Missoula, Montana, 1967
- 物件Struc005711 - Northern Pacific Engineering Drawing, Box Girders at South Bend, Washington, 1915
- 物件Struc005713 - Northern Pacific Engineering Drawing, Box Girders at South Bend, Washington, 1915
- 物件Struc005714 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, undated
- 物件Struc005715 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- 物件Struc005717 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- 物件Struc005718 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- 物件Struc005719 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- 物件Struc005720 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- 733 more...