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
- 123 more...
- ItemBB019334 - Burlington Northern Engineering Drawing: Replace 30 Foot Steel Beam, Bridge 102 - Strong Creek (formerly Northern Pacific), Thompson Falls, Montana, 1980
- ItemBB019343 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 3.1 - Sand Creek (formerly Northern Pacific), Sandpoint, Idaho, 1974
- ItemBB019371 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 126 - Clearwater River (formerly Camas Prairie), Spalding, Idaho, 1977
- ItemBB019396 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 112 (formerly Northern Pacific), West of Connell, Washington, 1982
- ItemBB019549 - Burlington Northern Engineering Drawing: General Plan, Bridge 23 - Ellingson Road (formerly Northern Pacific), South of Auburn, Washington, 1972
- ItemBB019574 - Burlington Northern Engineering Drawing: General Plan, Bridge 202 - Deep Creek (formerly Northern Pacific), West of Toston, Montana, 1986
- ItemBB019577 - Burlington Northern Engineering Drawing: General Plan, Bridge 203 (formerly Northern Pacific), West of Toston, Montana, 1986
- ItemBB019586 - Burlington Northern Engineering Drawing: Renew Deck/Add Diaphragm, Bridge 22 (formerly Northern Pacific), West of Blossburg, Montana, 1984
- ItemBB019592 - Burlington Northern Engineering Drawing: General Plan, Bridge 157 (formerly Northern Pacific), West of Belgrade, Montana, 1985
- 1057 more...