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
- 54 more...
- ItemBB033290 - Burlington Northern Engineering Drawing: 4 Foot X 4 Foot Concrete Culvert, Culverts, undated
- ItemBB033291 - Burlington Northern Engineering Drawing: 8 Foot Concrete Arch Culvert, Culverts, undated
- ItemBB033292 - Burlington Northern Engineering Drawing: 16 Foot Concrete Arch Culvert, Culverts, undated
- ItemBB033293 - Burlington Northern Engineering Drawing: 4 Foot X 4 Foot Concrete Culvert, Culverts, undated
- ItemBB033294 - Burlington Northern Engineering Drawing: 4 Foot X 4 Foot Concrete Culvert, Culverts, undated
- ItemBB033295 - Burlington Northern Engineering Drawing: 3 Foot X 5 Foot Water Tunnel, Culverts, undated
- ItemBB033296 - Burlington Northern Engineering Drawing: Tunnel Culvert, Culverts, undated
- ItemBB033297 - Burlington Northern Engineering Drawing: Plan - Pile Foundation, Culverts, undated
- ItemBB033298 - Burlington Northern Engineering Drawing: 16 Foot Concrete Arch Culvert, Culverts, undated
- 98 more...