Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 3293 more...
- ItemBB026768 - Great Northern Engineering Drawing: Shop Plan - Forgings, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026769 - Great Northern Engineering Drawing: Shop Plan - Bill of Material Pins, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026770 - Great Northern Engineering Drawing: Shop Plan - Erection Plan, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026771 - Great Northern Engineering Drawing: Shop Plan - Lateral, Shoes, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026772 - Great Northern Engineering Drawing: Shop Plan - Floor System, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026773 - Great Northern Engineering Drawing: Shop Plan - Trusses, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026774 - Great Northern Engineering Drawing: Machinery and Operating House, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026775 - Great Northern Engineering Drawing: Stairs to Operating House, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026776 - Great Northern Engineering Drawing: Machinery Below Deck, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- 699 more...