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
- 39 more...
- ItemBB031640 - Burlington Northern Engineering Drawing: Culvert Grating Detail, undated
- ItemBB033276 - Burlington Northern Engineering Drawing: Cross Section - 24 Foot Concrete Arch, Culverts, undated
- ItemBB033277 - Burlington Northern Engineering Drawing: 5 Foot X 7 Foot Concrete Culvert, Culverts, undated
- ItemBB033278 - Burlington Northern Engineering Drawing: 7 Foot X 6 Foot Connection Box, Culverts, undated
- ItemBB033279 - Burlington Northern Engineering Drawing: Rail Top Box Culvert, Culverts, undated
- ItemBB033280 - Burlington Northern Engineering Drawing: 67 Inch X 91 Inch Underpass, Culverts, undated
- ItemBB033281 - Burlington Northern Engineering Drawing: Culvert Plan and Detail, Culverts, undated
- ItemBB033282 - Burlington Northern Engineering Drawing: 67 Inch X 91 Inch X 60 Foot Metal Piling, Culverts, undated
- ItemBB033283 - Burlington Northern Engineering Drawing: 4 Foot X 4 Foot Concrete Culvert, Culverts, undated
- 113 more...