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
- 1347 more...
- ItemBB023758 - Great Northern Engineering Drawing: Shop Plan - Beam Span, Bridge 147 - 9 - Mile Creek, North of Slayton, Montana, undated
- ItemBB023759 - Great Northern Engineering Drawing: Shim Plan, Bridge 147 - 9 - Mile Creek, North of Slayton, Montana, undated
- ItemBB023761 - Great Northern Engineering Drawing: General Plan, Bridge 206 - Log Millrace, West of Crossport, Montana, 1927
- ItemBB023762 - Great Northern Engineering Drawing: Shop Plan - Beam/Diaphragm, Bridge 206 - Log Millrace, West of Crossport, Montana, undated
- ItemBB023763 - Great Northern Engineering Drawing: Masonry Plan, Bridge 206 - Log Millrace, West of Crossport, Montana, undated
- ItemBB023764 - Great Northern Engineering Drawing: General Plan, Bridge 206 - Log Millrace, West of Crossport, Montana, 1955
- ItemBB023765 - Great Northern Engineering Drawing: Steel and Masonry Details, Bridge 206 - Log Millrace, West of Crossport, Montana, undated
- ItemBB023766 - Great Northern Engineering Drawing: Deck Plate and Reinforcement, Bridge 206 - Log Millrace, West of Crossport, Montana, 1955
- ItemBB023767 - Great Northern Engineering Drawing: Raise Bridge, Bridge 206 - Log Millrace, West of Crossport, Montana, undated
- 2645 more...