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
- 1118 more...
- ItemBB023168 - Spokane, Portland and Seattle Railway Engineering Drawing: Soil Test Holes, Bridge E71.8 - County Road, South of Salem, Oregon, undated
- ItemBB023169 - Spokane, Portland and Seattle Railway Engineering Drawing: Bent Movements, Bridge E71.8 - County Road, South of Salem, Oregon, undated
- ItemBB023170 - Spokane, Portland and Seattle Railway Engineering Drawing: Vicinity of Map, Bridge E71.8 - County Road, Salem, Oregon, undated
- ItemBB023172 - Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Details, Bridge E74.8 - County Road, South of Salem, Oregon, undated
- ItemBB023173 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Details, Bridge E74.8 - County Road, South of Salem, Oregon, undated
- ItemBB023175 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Masonry Plan, Bridge E74.8 - County Road, South of Salem, Oregon, 1950
- ItemBB023176 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girders, Bridge E74.8 - County Road, South of Salem, Oregon, undated
- ItemBB023177 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Design, Bridge E74.8 - County Road, South of Salem, Oregon, undated
- ItemBB023178 - Spokane, Portland and Seattle Railway Engineering Drawing: Layout of Trestle Bridge, Bridge E76.6 - Crossing, South of Minto, Oregon, undated
- 2791 more...