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
- 2753 more...
- ItemBB032524 - Spokane, Portland and Seattle Railway Engineering Drawing: Barrel Details, Bridge 10.92 - Apple Tree Road, Vancouver, Washington, undated
- ItemBB032525 - Spokane, Portland and Seattle Railway Engineering Drawing: Wingwalls, Bridge 10.92 - Apple Tree Road, Vancouver, Washington, undated
- ItemBB032584 - Spokane, Portland and Seattle Railway Engineering Drawing: Replace Span, Bridge 9.6 - Columbia River, Vancouver, Washington, 1963
- ItemBB032585 - Spokane, Portland and Seattle Railway Engineering Drawing: Replacement Diagram, Bridge 9.6 - Columbia River, Vancouver, Washington, 1963
- ItemBB032586 - Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB032587 - Spokane, Portland and Seattle Railway Engineering Drawing: Truss and Lateral Details, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB032588 - Spokane, Portland and Seattle Railway Engineering Drawing: Cross Sections, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB032589 - Spokane, Portland and Seattle Railway Engineering Drawing: Floor Beams, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB032590 - Spokane, Portland and Seattle Railway Engineering Drawing: Stringer, Frames, Top Strut, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- 1156 more...