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
- 1161 more...
- ItemBB037804 - Burlington Northern Engineering Drawing: General Plan, Bridge 175 - Careless Creek (formerly Great Northern), North of Franklin, Montana, 1983
- ItemBB037977 - Burlington Northern Engineering Drawing: Renew Trainmen's Walk, Bridge 379 (formerly Great Northern), West of Glasgow, Montana, 1970
- ItemBB038186 - Burlington Northern Engineering Drawing: Shop Plan - 41 Foot Beam, Bridge 659 - Marias River, South of Chappell, Montana, undated
- 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
- 19 more...