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
- 3322 more...
- ItemBB033164 - Spokane, Portland and Seattle Railway Engineering Drawing: Stringer Plans, Bridge A99.5, Astoria, Oregon, 1953
- ItemBB033165 - Spokane, Portland and Seattle Railway Engineering Drawing: Renew Ties, Bridge A100.4 - Columbia River - Ties, Astoria, Oregon, 1967
- ItemBB033166 - Spokane, Portland and Seattle Railway Engineering Drawing: Turnout, Bridge A100.4 - Columbia River, Astoria, Oregon, 1957
- ItemBB033167 - Spokane, Portland and Seattle Railway Engineering Drawing: County Road Crossing, Bridge G2.1 - County Road, North of Lyle, Washington, undated
- ItemBB033168 - Spokane, Portland and Seattle Railway Engineering Drawing: Topography, Bridge G2.1 - County Road, North of Lyle, Washington, undated
- ItemBB033169 - Spokane, Portland and Seattle Railway Engineering Drawing: 115 Foot Deck Plate Girder (DPG), Bridge G2.1 - County Road, North of Lyle, Washington, undated
- ItemBB033170 - Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge G2.1 - County Road, North of Lyle, Washington, undated
- ItemBB033171 - Spokane, Portland and Seattle Railway Engineering Drawing: Pier Details, Bridge G2.1 - County Road, North of Lyle, Washington, undated
- ItemBB033172 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge G2.1 - County Road, North of Lyle, Washington, 1958
- 587 more...