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
- 5097 more...
- ItemBB019999 - Northern Pacific Engineering Drawing: General Plan, Bridge 179 - Trout Creek, West of Westfall, Montana, 1942
- ItemBB020000 - Northern Pacific Engineering Drawing: Layout/Bearings, Bridge 179 - Trout Creek, West of Westfall, Montana, undated
- ItemBB020001 - Northern Pacific Engineering Drawing: Shop Plan - Bracing/Girder, Bridge 179 - Trout Creek, West of Westfall, Montana, undated
- ItemBB020002 - Northern Pacific Engineering Drawing: Shop Plan - Lateral Plate/Girder, Bridge 179 - Trout Creek, West of Westfall, Montana, undated
- ItemBB020003 - Northern Pacific Engineering Drawing: Shop Plan - Reinforcement Girder, Bridge 179 - Trout Creek, West of Westfall, Montana, undated
- ItemBB020004 - Northern Pacific Engineering Drawing: Shop Plan - Lateral Plate/Girder, Bridge 179 - Trout Creek, West of Westfall, Montana, undated
- ItemBB020005 - Northern Pacific Engineering Drawing: Shop Plan - Stiffener and Diaphragm, Bridge 179 - Trout Creek, West of Westfall, Montana, undated
- ItemBB020006 - Northern Pacific Engineering Drawing: Shop Plan - Bracing/Girder, Bridge 179 - Trout Creek, West of Westfall, Montana, undated
- ItemBB020007 - Northern Pacific Engineering Drawing: Shop Plan - Bent/Pier, Bridge 179 - Trout Creek, West of Westfall, Montana, undated
- 2622 more...