Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3002 - Depots and Freighthouses
- ItemStruc000333 - Spokane, Portland, and Seattle Railway Engineering Drawing, Centralized Traffic Control (CTC) Building and Facilities at Vancouver, Washington, 1969
- ItemStruc000334 - Spokane, Portland, and Seattle Railway Engineering Drawing, Centralized Traffic Control (CTC) Building and Facilities at Vancouver, Washington, 1964
- ItemStruc000335 - Spokane, Portland, and Seattle Railway Engineering Drawing, Centralized Traffic Control (CTC) Building and Facilities at Vancouver, Washington, 1969
- ItemStruc000336 - Spokane, Portland, and Seattle Railway Engineering Drawing, Centralized Traffic Control (CTC) Building and Facilities at Vancouver, Washington, 1968
- ItemStruc000337 - Spokane, Portland, and Seattle Railway Engineering Drawing, Centralized Traffic Control (CTC) Building and Facilities at Vancouver, Washington, 1968
- 612 more...