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
- 66 more...
- ItemBB033302 - Burlington Northern Engineering Drawing: Concrete Culvert, Culverts, undated
- ItemBB033303 - Burlington Northern Engineering Drawing: Culvert 55.13, Culverts, undated
- ItemBB033304 - Burlington Northern Engineering Drawing: General Plan, Culverts, undated
- ItemBB033305 - Burlington Northern Engineering Drawing: General and Detail Plans, Culverts, undated
- ItemBB033306 - Burlington Northern Engineering Drawing: General and Detail Plans, Culverts, undated
- ItemBB033307 - Burlington Northern Engineering Drawing: General and Detail Plans, Culverts, undated
- ItemBB033308 - Burlington Northern Engineering Drawing: General and Detail Plans, Culverts, undated
- ItemBB033309 - Burlington Northern Engineering Drawing: General Plan New Pipe, Culverts, undated
- ItemBB033310 - Burlington Northern Engineering Drawing: 10 Foot X 10 Foot Box Culvert, Culverts, undated
- 86 more...