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
- 5565 more...
- ItemBB020661 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - Girder Assembly, Westfall, Washington, undated
- ItemBB020662 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - Girder Assembly, Westfall, Washington, undated
- ItemBB020663 - Northern Pacific Engineering Drawing: Shop Plan - Rail/Post, Shop Plan - Rail/Post, Westfall, Washington, undated
- ItemBB020664 - Northern Pacific Engineering Drawing: Shop Plan - Shoes, etc., Shop Plan - Shoes/Etc., Westfall, Washington, undated
- ItemBB020665 - Northern Pacific Engineering Drawing: Shop Plan - Diaphragms, Shop Plan - Diaphragms, Westfall, Washington, undated
- ItemBB020666 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - G Assembly, Westfall, Washington, undated
- ItemBB020667 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - G Assembly, Westfall, Washington, undated
- ItemBB020668 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - G Assembly, Westfall, Washington, undated
- ItemBB020669 - Northern Pacific Engineering Drawing: Shop Plan - Girder Assembly, Shop Plan - G Assembly, Westfall, Washington, undated
- 2154 more...