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 3002 - Depots and Freighthouses
- ItemStruc000556 - Burlington Northern Engineering Drawing, Office, Modular at Seattle, Washington, undated
- ItemStruc000557 - Burlington Northern Engineering Drawing, Office, Modular at Seattle, Washington, undated
- ItemStruc000558 - Burlington Northern Engineering Drawing, Office, Modular at Seattle, Washington, undated
- ItemStruc000559 - Burlington Northern Engineering Drawing, Office, Modular at Seattle, Washington, undated
- ItemStruc001352 - Burlington Northern Engineering Drawing, Freight House at Portland, Oregon, 1979
- 50 more...