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
- 125 more...
- 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
- ItemBB019608 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 71 (127) (formerly Northern Pacific), South of Ritzville, Washington, 1979
- ItemBB019650 - Burlington Northern Engineering Drawing: Steel Repairs, Bridge 50.1 - Clearwater River (formerly Camas Prairie), South of Tramway, Idaho, 1975
- 1055 more...