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
- 36 more...
- ItemBB014787 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 32 Irrigation Canal (formerly Northern Pacific), Rapids, Montana, 1973
- ItemBB014794 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 8 - 7 - Mile Creek (formerly Northern Pacific), Birdseye, Montana, 1976
- ItemBB014816 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 1 - Skookumchuck River (formerly Northern Pacific), West of Centralia, Washington, 1977
- ItemBB014820 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 26 (formerly Northern Pacific), West of Blossburg, Montana, 1978
- ItemBB014828 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 3 - Latah Creek (formerly Northern Pacific), West of Empire, Washington, 1981
- ItemBB014861 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 107 - Pack River (formerly Northern Pacific), West of Hope, Montana, 1978
- ItemBB014902 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 51 - Highway (formerly Northern Pacific), West of Childs, Montana, 1974
- ItemBB014990 - Burlington Northern Engineering Drawing: Tie Plan, Bridge 50 - Beaver Creek (formerly Northern Pacific), West of Childs, Montana, 1980
- ItemBB015023 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 73 - Clark Fork River (formerly Northern Pacific), West of Noxon, Montana, 1982
- 1144 more...