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
- 2886 more...
- ItemBB032716 - Spokane, Portland and Seattle Railway Engineering Drawing: Handrail Detail, Bridge 24.1 - Camas Tramway, Camas, Washington, undated
- ItemBB032717 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutment Plan, Bridge 24.2 - Camas Tramway, Camas, Washington, 1907
- ItemBB032718 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutment Extension, Bridge 24.2 - Camas Tramway, Camas, Washington, 1947
- ItemBB032719 - Spokane, Portland and Seattle Railway Engineering Drawing: Retaining Wall, Bridge 24.2 - Camas Tramway, Camas, Washington, undated
- ItemBB032720 - Spokane, Portland and Seattle Railway Engineering Drawing: Retaining Wall, Bridge 24.2 - Camas Tramway, Camas, Washington, undated
- ItemBB032721 - Spokane, Portland and Seattle Railway Engineering Drawing: Handrail Detail, Bridge 24.2 - Camas Tramway, Camas, Washington, undated
- ItemBB032722 - Spokane, Portland and Seattle Railway Engineering Drawing: Sketch Showing Permanent Work, Bridge 24.8 - Washougal River (East End), Camas, Washington, 1912
- ItemBB032723 - Spokane, Portland and Seattle Railway Engineering Drawing: Sketch Showing Permanent Work, Bridge 24.8 - Washougal River (West End), Camas, Washington, 1912
- ItemBB032724 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Change, Bridge 24.8 - Washougal River (West End), Camas, Washington, 1911
- 1023 more...