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
- 481 more...
- ItemBB021481 - Great Northern Engineering Drawing: General Plan, Bridge 450, West of Monroe, Washington, 1941
- ItemBB021482 - Great Northern Engineering Drawing: Deck Plan, Bridge 450, West of Monroe, Washington, 1970
- 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
- 3511 more...