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
- 483 more...
- ItemBB021483 - Great Northern Engineering Drawing: General Plan, Bridge 428, West of Grotto, Washington, 1941
- ItemBB021484 - Great Northern Engineering Drawing: Masonry Plan, Bridge 428, West of Grotto, Washington, 1941
- ItemBB021485 - Great Northern Engineering Drawing: Shop Plan - Structural Steel, Bridge 428, West of Grotto, Washington, 1941
- ItemBB021486 - Great Northern Engineering Drawing: Deck Plan, Bridge 428, West of Grotto, Washington, 1954
- ItemBB021488 - Great Northern Engineering Drawing: 27 Foot - 11 Inch Concrete Girder, Bridge 420A - Maloney Creek, Skykomish, Washington, undated
- ItemBB021490 - Great Northern Engineering Drawing: Details - Concrete T Girder Bridge, Bridge 420A - Maloney Creek, Skykomish, Washington, undated
- ItemBB021491 - Great Northern Engineering Drawing: Details - Concrete T Girder Bridge, Bridge 420A - Maloney Creek, Skykomish, Washington, undated
- ItemBB021492 - Great Northern Engineering Drawing: Deck and Walk Details, Bridge 420A - Maloney Creek, Skykomish, Washington, undated
- ItemBB021493 - Great Northern Engineering Drawing: Part Renewal, Bridge 56.8 - Remainder of Br.3, Bellingham, Washington, 1940
- 3509 more...