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
- 8 more...
- ItemBB014331 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 122.2 - Grant Creek (formerly Northern Pacific), West of Missoula, Montana, 1978
- ItemBB014413 - Burlington Northern Engineering Drawing: Tie Plan, Bridge 141 - Clark Fork River (formerly Northern Pacific), West of Frenchtown, Montana, 1979
- ItemBB014414 - Burlington Northern Engineering Drawing: Tie Plan, Bridge 141 - Clark Fork River (formerly Northern Pacific), West of Frenchtown, Montana, 1979
- ItemBB014429 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 6 - Deer Creek (formerly Northern Pacific), North of Bayshore, Washington, 1972
- ItemBB014535 - Burlington Northern Engineering Drawing: Replace Substructure, Bridge 50 - Little Blackfoot River (formerly Northern Pacific), North of Deer Lodge, Montana, 1973
- ItemBB014549 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 114.1 - Clark Fork River (formerly Northern Pacific), West of Bonner, Montana, 1976
- ItemBB014553 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 114.1 - Clark Fork River (formerly Northern Pacific), West of Bonner, Montana, 1974
- ItemBB014555 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 1 - Columbia River (formerly Northern Pacific), West of Pasco, Washington, 1973
- ItemBB014557 - Burlington Northern Engineering Drawing: Span Number 1 and 2, Bridge 1 Columbia River, Pasco, Washington, undated
- 1172 more...