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
- 1815 more...
- ItemBB024321 - Great Northern Engineering Drawing: General Plan, Bridge 581, West of Toledo, Montana, 1936
- ItemBB024322 - Great Northern Engineering Drawing: General Plan, Bridge 552, West of North Fork, Montana, 1930
- ItemBB024323 - Great Northern Engineering Drawing: General Plan, Bridge 517, West of Survant, Montana, 1930
- ItemBB024324 - Great Northern Engineering Drawing: General Plan and Masonry Plan, Bridge 517, West of Survant, Montana, undated
- ItemBB024325 - Great Northern Engineering Drawing: Shop Plan - 24 Foot Beam, Bridge 517, West of Survant, Montana, undated
- ItemBB024326 - Great Northern Engineering Drawing: Deck Plan, Bridge 517, West of Survant, Montana, 1948
- ItemBB024327 - Great Northern Engineering Drawing: Raise Bridge, Bridge 517, West of Survant, Montana, 1958
- ItemBB024328 - Great Northern Engineering Drawing: Shim Plan, Bridge 517, West of Survant, Montana, undated
- ItemBB024329 - Great Northern Engineering Drawing: Ballast Deck, Bridge 517, West of Survant, Montana, undated
- 2177 more...