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
- 81 more...
- ItemBB017260 - Burlington Northern Engineering Drawing: Bent Number 7, Bridge 36 - Clark Fork River (formerly Northern Pacific), West of Thompson Falls, Montana, 1970
- ItemBB017261 - Burlington Northern Engineering Drawing: Profile With Shims, Bridge 36 - Clark Fork River (formerly Northern Pacific), West of Thompson Falls, Montana, 1970
- ItemBB017262 - Burlington Northern Engineering Drawing: Steel Repairs, Bridge 36 - Clark Fork River (formerly Northern Pacific), West of Thompson Falls, Montana, 1973
- ItemBB017263 - Burlington Northern Engineering Drawing: Steel Repairs, Bridge 36 - Clark Fork River (formerly Northern Pacific), West of Thompson Falls, Montana, 1973
- ItemBB017368 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 6 - Chehalis River (formerly Northern Pacific), Milburn, Washington, 1982
- ItemBB017388 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 0 - Silver Bow Creek (formerly Northern Pacific), Butte, Montana, 1976
- ItemBB017419 - Burlington Northern Engineering Drawing: General Plan, Bridge 114 (formerly Northern Pacific), West of Connell, Washington, 1984
- ItemBB017610 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 93.3 - Ostrander Creek (formerly Northern Pacific), South of Castle Rock, Washington, 1981
- ItemBB017760 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 12.4 - Van Sycle Creek (formerly Northern Pacific), South of Zangar Junction, Washington, 1982
- 1099 more...