Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3007 - Track
- 9 more...
- ItemBB030764 - Milwaukee Road Engineering Drawing: 10 Foot X 8 Foot Culvert, Washington, undated
- ItemBB030765 - Milwaukee Road Engineering Drawing: Culvert, Washington, undated
- ItemBB030766 - Milwaukee Road Engineering Drawing: Culvert, Washington, undated
- ItemBB030829 - Milwaukee Road Engineering Drawing: Concrete Arch Culvert, Standard Culvert, Washington, undated
- ItemBB030830 - Milwaukee Road Engineering Drawing: 4 Foot Reinforcement Concrete Culvert, Standard Culvert, Washington, undated
- ItemBB030831 - Milwaukee Road Engineering Drawing: Sketch, Masonry Report, Standard Culvert, Washington, undated
- ItemBB030832 - Milwaukee Road Engineering Drawing: Reinforcement Concrete Pavement, Standard Culvert, Washington, undated