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
- 1164 more...
- ItemBB038187 - Burlington Northern Engineering Drawing: Shop Plan - 40 Foot 8 Inch, Bridge 659 - Marias River, South of Chappell, Montana, 1950
- ItemBB038188 - Burlington Northern Engineering Drawing: General Plan, Bridge 659 - Marias River, South of Chappell, Montana, undated
- ItemBB038189 - Burlington Northern Engineering Drawing: Shop Plan - 40 Foot 8 Inch, Bridge 659 - Marias River, South of Chappell, Montana, undated
- ItemBB038196 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 740 - 6th Street Undercrossing (formerly Great Northern), Great Falls, Montana, 1978
- ItemBB038206 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 739 (formerly Great Northern), South of Gibson, Montana, 1976
- ItemBB038211 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 21 (formerly Great Northern), South of Gary, Montana, 1976
- ItemBB038229 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 437 - Beaver Creek (formerly Great Northern), West of Beaverton, Montana, 1985
- ItemBB038290 - Burlington Northern Engineering Drawing: Deck Plan, Bridge 737 - Portage Coulee (formerly Great Northern), South of Portage, Montana, 1973
- ItemBB038326 - Burlington Northern Engineering Drawing: General Plan, Bridge 275 - Ditch (formerly Great Northern), North of Vaughn, Montana, 1983
- 16 more...