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
- 3415 more...
- ItemBB026891 - Great Northern Engineering Drawing: Deck Plan, Bridge 455, East of Snohomish, Washington, 1970
- ItemBB026892 - Great Northern Engineering Drawing: Underpinning of Piers - West Approach, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026894 - Great Northern Engineering Drawing: 32 Foot Span Over Roadway, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026895 - Great Northern Engineering Drawing: General and Masonry Plan, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026896 - Great Northern Engineering Drawing: Water Elevations, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026897 - Great Northern Engineering Drawing: Protection Shear, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026898 - Great Northern Engineering Drawing: Contour Map and Profile, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026899 - Great Northern Engineering Drawing: Contour Map and Profile, Bridge 455, East of Snohomish, Washington, undated
- ItemBB026900 - Great Northern Engineering Drawing: Contour Map and Profile, Bridge 455, East of Snohomish, Washington, undated
- 577 more...