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
- 5601 more...
- ItemBB020697 - Northern Pacific Engineering Drawing: Abutment Number 3 Reinforcement, Bridge 176 - Highway I-90, Westfall, Montana, undated
- ItemBB020698 - Northern Pacific Engineering Drawing: Wing Wall Abutment 1, Bridge 176 - Highway I-90, Westfall, Montana, undated
- ItemBB020699 - Northern Pacific Engineering Drawing: Wing Wall Abutment 1/3, Bridge 176 - Highway I-90, Westfall, Montana, undated
- ItemBB020700 - Northern Pacific Engineering Drawing: Wing Wall Abutment 3, Bridge 176 - Highway I-90, Westfall, Montana, undated
- ItemBB020701 - Northern Pacific Engineering Drawing: Pier Number 2, Bridge 176 - Highway I-90, Westfall, Montana, undated
- ItemBB020702 - Northern Pacific Engineering Drawing: Deck Plate Girder (DPG), Bridge 176 - Highway I-90, Westfall, Montana, undated
- ItemBB020703 - Northern Pacific Engineering Drawing: Ballast Plate/Details, Bridge 176 - Highway I-90, Westfall, Montana, undated
- ItemBB020704 - Northern Pacific Engineering Drawing: Shoe Details, Bridge 176 - Highway I-90, Westfall, Montana, undated
- ItemBB020705 - Northern Pacific Engineering Drawing: Handrail/Drainage, Bridge 176 - Highway I-90, Westfall, Montana, undated
- 2118 more...