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
- 106 more...
- ItemBB021026 - Great Northern Engineering Drawing: 26 Foot 7 Inch Beam Span, Construction Bridge - Fort Peck Dam, Wiota, Montana, undated
- ItemBB021027 - Great Northern Engineering Drawing: 30 Foot 9 Inch Girder Span, Construction Bridge - Fort Peck Dam, Wiota, Montana, undated
- ItemBB021029 - Great Northern Engineering Drawing: Underpinning, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021030 - Great Northern Engineering Drawing: General Plan, Bridge 455, East of Snohomish, Washington, 1940
- ItemBB021031 - Great Northern Engineering Drawing: General Plan, Bridge 455, East of Snohomish, Washington, 1940
- ItemBB021032 - Great Northern Engineering Drawing: General Plan, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021033 - Great Northern Engineering Drawing: Details - Piers Number 10A and 40A, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021034 - Great Northern Engineering Drawing: 150 Truss Span Reinforcement, Bridge 455, East of Snohomish, Washington, undated
- ItemBB021035 - Great Northern Engineering Drawing: 250 Draw Span Reinforcement, Bridge 455, East of Snohomish, Washington, undated
- 3886 more...