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
- 2993 more...
- ItemBB032831 - Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Shims, Bridge 53.5 - Rock Creek, East of North Bonneville, Washington, undated
- ItemBB032832 - Spokane, Portland and Seattle Railway Engineering Drawing: Topography Map, Bridge 53.5 - Rock Creek, East of North Bonneville, Washington, undated
- ItemBB032833 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 54.2 - Kanaka Creek - Tie Plan, North Bonneville, Washington, 1969
- ItemBB032834 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG), Bridge 54.2 - Kanaka Creek, North Bonneville, Washington, undated
- ItemBB032835 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Railway Bridge, Bridge 58.8 - Wind River, East of Stevenson, Washington, 1906
- ItemBB032836 - Spokane, Portland and Seattle Railway Engineering Drawing: Bridge Change, Bridge 58.8 - Wind River, East of Stevenson, Washington, 1912
- ItemBB032837 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Frame Bent Trestle, Standard Plan Trestle, Trestle, Washington, undated
- ItemBB032838 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Sketch, Bridge 66.4 - Little White Salmon River, East of Cooks, Washington, undated
- ItemBB032839 - Spokane, Portland and Seattle Railway Engineering Drawing: Erection Diagram, Bridge 66.4 - Little White Salmon River - Erection Dig, East of Cooks, Washington, 1913
- 916 more...