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
- 62 more...
- ItemBB033298 - Burlington Northern Engineering Drawing: 16 Foot Concrete Arch Culvert, Culverts, undated
- ItemBB033299 - Burlington Northern Engineering Drawing: Multi Plate Underpass, Culverts, undated
- ItemBB033300 - Burlington Northern Engineering Drawing: Plan - Extension, Culverts, 1910
- ItemBB033301 - Burlington Northern Engineering Drawing: Temporary Spans, Culverts, undated
- 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
- 90 more...