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 3007 - Track
- 93 more...
- ItemBB033329 - Burlington Northern Engineering Drawing: Plan - 18 Foot X 16 Foot Arch, Culverts, undated
- ItemBB033331 - Burlington Northern Engineering Drawing: Shop Plan - Saddle, Culverts, undated
- ItemBB033332 - Burlington Northern Engineering Drawing: 4 Foot Concrete Arch Culvert, Culverts, undated
- ItemBB033333 - Burlington Northern Engineering Drawing: 12 Foot Concrete Arch Culvert, Culverts, undated
- ItemBB033334 - Burlington Northern Engineering Drawing: 8 Foot Concrete Arch Culvert, Culverts, undated
- ItemBB033335 - Burlington Northern Engineering Drawing: 16 Foot Concrete Arch Culvert, Culverts, undated
- ItemBB033336 - Burlington Northern Engineering Drawing: 6 Foot Concrete Arch Culvert, Culverts, undated
- ItemBB033337 - Burlington Northern Engineering Drawing: 6 Foot Concrete Arch Culvert, Culverts, undated
- ItemBB033338 - Burlington Northern Engineering Drawing: 10 Foot Concrete Arch Culvert, Culverts, undated
- 59 more...