Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- ItemBB014220 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 164 - Gallatin River (formerly Northern Pacific), West of Logan, Montana, 1984
- ItemBB014264 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 59 (formerly Northern Pacific), West of Reed Point, Montana, 1973
- ItemBB014268 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 74 (108} (formerly Northern Pacific), West of Greycliff, Montana, 1976
- ItemBB014273 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 95 (125) (formerly Northern Pacific), Springdale, Montana, 1976
- ItemBB014281 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 51 (78) - Yellowstone River (formerly Northern Pacific), West of Craver, Montana, 1986
- ItemBB014282 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 51 (78) - Yellowstone River (formerly Northern Pacific), West of Craver, Montana, 1986
- ItemBB014307 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 79 (112) - Big Boulder River (formerly Northern Pacific), West of Greycliff, Montana, 1977
- 1182 more...