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
- 2841 more...
- ItemBB032670 - Spokane, Portland and Seattle Railway Engineering Drawing: Soundings, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB032671 - Spokane, Portland and Seattle Railway Engineering Drawing: Soundings, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB032672 - Spokane, Portland and Seattle Railway Engineering Drawing: Soundings, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB032673 - Spokane, Portland and Seattle Railway Engineering Drawing: Soundings, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB032674 - Spokane, Portland and Seattle Railway Engineering Drawing: Reinforce Viaduct, Bridge 10.4 - 5, 6, 7th Streets - Plan, Vancouver, Washington, 1907
- ItemBB032675 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan of Abutments, Bridge 10.4 - 5, 6, 7th Streets, Vancouver, Washington, undated
- ItemBB032676 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan of Abutments, Bridge 10.4 - 5, 6, 7th Streets, Vancouver, Washington, undated
- ItemBB032677 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Extension, Bridge 10.4 - 5, 6, 7th Streets, Vancouver, Washington, undated
- ItemBB032678 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Reinforced Concrete Vertical, Bridge 10.4 - 5, 6, 7, th Streets, Vancouver, Washington, 1907
- 1068 more...