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
- 2284 more...
- ItemBB030518 - Spokane, Portland and Seattle Railway Engineering Drawing: 70 Foot Deck Plate Girder (DPG), Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030519 - Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Abutments and Piers, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030520 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Changes, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, 1930
- ItemBB030521 - Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Shims, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030522 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge 304.4 - Cow Creek, North of Hooper, Washington, 1907
- ItemBB030523 - Spokane, Portland and Seattle Railway Engineering Drawing: Masonry Plan, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030524 - Spokane, Portland and Seattle Railway Engineering Drawing: Rock Mortar Wall West End, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030525 - Spokane, Portland and Seattle Railway Engineering Drawing: Bank Block, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- ItemBB030526 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan - Cast Iron Bases, Bridge 304.4 - Cow Creek, North of Hooper, Washington, undated
- 1625 more...