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 3001 - Bridges
- 2371 more...
- ItemBB030608 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Road Overcrossing, Bridge 350.6 - Overhead Road, North of Amber, Washington, 1907
- ItemBB030609 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Road Overcrossing, Bridge 352.3 - Overhead Road, North of Amber, Washington, 1908
- ItemBB030610 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Road Overcrossing, Bridge 354.1 - Overhead Road, North of Amber, Washington, 1907
- ItemBB030611 - Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Highway, Bridge 362.7 - Overhead Road, North of South Cheney, Washington, 1923
- ItemBB030612 - Spokane, Portland and Seattle Railway Engineering Drawing: Footing Layout, Bridge 363.8 - Overhead Road, North of South Cheney, Washington, undated
- ItemBB030613 - Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Highway, Bridge 363.8 - Overhead Road, North of South Cheney, Washington, 1927
- ItemBB031203 - Spokane, Portland and Seattle Railway Engineering Drawing: Index, Bridge 10.7 - Columbia Street, Vancouver, Washington, undated
- ItemBB031204 - Spokane, Portland and Seattle Railway Engineering Drawing: Vicinity Map, Bridge 10.7 - Columbia Street, Vancouver, Washington, undated
- ItemBB031205 - Spokane, Portland and Seattle Railway Engineering Drawing: Vicinity Map, Bridge 10.7 - Columbia Street, Vancouver, Washington, undated
- 1538 more...