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
- 3287 more...
- ItemBB026762 - Great Northern Engineering Drawing: Shop Plan - Rack, Track, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026763 - Great Northern Engineering Drawing: Shop Plan - Wedges, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026764 - Great Northern Engineering Drawing: Shop Plan - Gear Wheels, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026765 - Great Northern Engineering Drawing: Shop Plan - Details Casting, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026766 - Great Northern Engineering Drawing: Shop Plan - Details Casting, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- ItemBB026767 - Great Northern Engineering Drawing: Shop Plan - Shafting and Pins, Bridge 36 - Skagit River, North of Mount Vernon, Washington, undated
- 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
- 705 more...