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
- 567 more...
- ItemBB021627 - Great Northern Engineering Drawing: Abutment Number 4, Bridge 1626.8 - Highway, West of Trinidad, Washington, undated
- ItemBB021628 - Great Northern Engineering Drawing: Abutment Number 4, Bridge 1626.8 - Highway, West of Trinidad, Washington, undated
- ItemBB021629 - Great Northern Engineering Drawing: Piers, Bridge 1626.8 - Highway, West of Trinidad, Washington, undated
- ItemBB021630 - Great Northern Engineering Drawing: Bar Details, Bridge 1626.8 - Highway, West of Trinidad, Washington, undated
- ItemBB021631 - Great Northern Engineering Drawing: 60 Foot/73 Foot Deck Plate Girder (DPG), Bridge 1626.8 - Highway, West of Trinidad, Washington, undated
- ItemBB021632 - Great Northern Engineering Drawing: 78 Foot Deck Plate Girder (DPG), Bridge 1626.8 - Highway, West of Trinidad, Washington, undated
- ItemBB021633 - Great Northern Engineering Drawing: Steel Details, Bridge 1626.8 - Highway, West of Trinidad, Washington, undated
- ItemBB021634 - Great Northern Engineering Drawing: Deck Plan, Bridge 1626.8 - Highway, West of Trinidad, Washington, 1952
- ItemBB021635 - Great Northern Engineering Drawing: Railing Plan, Bridge 1626.8 - Highway, West of Trinidad, Washington, undated
- 3425 more...