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