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
- 117 more...
- ItemBB021038 - Great Northern Engineering Drawing: 4 - 60 Foot Deck Plate Girder (DPG) Span, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021039 - Great Northern Engineering Drawing: Shop Plan - 60 Foot Deck Plate Girder (DPG), Bridge 455, East of Snohomish, Washington, undated
- ItemBB021040 - Great Northern Engineering Drawing: Shop Plan - 60 Foot Deck Plate Girder (DPG), Bridge 455, East of Snohomish, Washington, undated
- ItemBB021041 - Great Northern Engineering Drawing: Renewal - Sheer Pier, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021042 - Great Northern Engineering Drawing: Plan - Insulating Track, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021043 - Great Northern Engineering Drawing: Shop Plan - 32 Foot Through Plate Girder, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021044 - Great Northern Engineering Drawing: Steel Repairs - Truss Span, Bridge 455, East of Snohomish, Washington, undated
- 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
- 3875 more...