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
- 1654 more...
- ItemBB025432 - Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Plan/Steel Detail, Bridge S29.3, Sweet Home, Oregon, 1952
- ItemBB025434 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge S29.3, Sweet Home, Oregon, undated
- ItemBB025435 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge S29.3, Sweet Home, Oregon, undated
- ItemBB025436 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, undated
- ItemBB025437 - Spokane, Portland and Seattle Railway Engineering Drawing: Renew Bents, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, undated
- ItemBB025438 - Spokane, Portland and Seattle Railway Engineering Drawing: Renew Post/Brace, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, undated
- ItemBB025439 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, undated
- ItemBB025440 - Spokane, Portland and Seattle Railway Engineering Drawing: Matchmarking Diagram, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, undated
- ItemBB025441 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, undated
- 2255 more...