Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 31 more...
- ItemBB014244 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 184, Lombard, Montana, 1939
- ItemBB014245 - Northern Pacific Engineering Drawing: Plan of Abutments, Bridge 65 (94), West of Quebec, Montana, undated
- ItemBB014246 - Northern Pacific Engineering Drawing: Plan of Abutments, Bridge 65 (94), West of Quebec, Montana, undated
- ItemBB014247 - Northern Pacific Engineering Drawing: Remodeling Abutments, Bridge 65 (94), West of Quebec, Montana, undated
- ItemBB014248 - Northern Pacific Engineering Drawing: Ballast Deck, Bridge 65 (94), West of Quebec, Montana, undated
- ItemBB014249 - Northern Pacific Engineering Drawing: Shop Plan - Girder/Beams, Bridge 65 (94), West of Quebec, Montana, undated
- ItemBB014250 - Northern Pacific Engineering Drawing: Steel Details, Bridge 65 (94), West of Quebec, Montana, undated
- ItemBB014251 - Northern Pacific Engineering Drawing: Plan Pier/Abutment, Bridge 52, West of Craver, Montana, undated
- ItemBB014252 - Northern Pacific Engineering Drawing: Plan Pier/Abutment, Bridge 52, West of Craver, Montana, undated
- 7688 more...