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
- 5549 more...
- ItemBB020645 - Northern Pacific Engineering Drawing: Shop Plan - Steel Frame, Shop Plan - Steel Frame, Westfall, Washington, undated
- ItemBB020646 - Northern Pacific Engineering Drawing: Shop Plan - Walkway, Shop Plan - Walkway, Westfall, Washington, undated
- ItemBB020647 - Northern Pacific Engineering Drawing: Shop Plan - Walkway, Shop Plan - Walkway, Westfall, Washington, undated
- ItemBB020648 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Shop Plan, Westfall, Washington, undated
- ItemBB020649 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Shop Plan - Girder, Westfall, Washington, undated
- ItemBB020650 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - Girder Assembly, Westfall, Washington, undated
- ItemBB020651 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - Girder Assembly, Westfall, Washington, undated
- ItemBB020652 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - Girder Assembly, Westfall, Washington, undated
- ItemBB020653 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - Girder Assembly, Westfall, Washington, undated
- 2170 more...