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
- 124 more...
- ItemBB021045 - Great Northern Engineering Drawing: Steel Repairs - Truss Span, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021046 - Great Northern Engineering Drawing: Renew Fender Pier, Bridge 455, East of Snohomish, Washington, 1947
- ItemBB021047 - Great Northern Engineering Drawing: Shear Pier Repairs, Bridge 455, East of Snohomish, Washington, 1947
- ItemBB021048 - Great Northern Engineering Drawing: South End Fender Pier, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021049 - Great Northern Engineering Drawing: Steel Repairs, Bridge 455, East of Snohomish, Washington, 1952
- ItemBB021050 - Great Northern Engineering Drawing: Deck Plan, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021051 - Great Northern Engineering Drawing: General Plan, Bridge 455, East of Snohomish, Washington, 1953
- ItemBB021052 - Great Northern Engineering Drawing: Shop Plan - Beam Span, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021053 - Great Northern Engineering Drawing: Fabreeka Pads, Bridge 455, East of Snohomish, Washington, undated
- 3868 more...