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
- 1093 more...
- ItemBB023142 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023143 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Joint Angle, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023144 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Joint Angle, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023145 - Spokane, Portland and Seattle Railway Engineering Drawing: Longitudinal Section/End Section, Bridge E71.3S - Mill Race, South of Salem, Oregon, 1948
- ItemBB023146 - Spokane, Portland and Seattle Railway Engineering Drawing: Bill of Material Reinforcement Steel, Bridge E71.3S - Mill Race, South of Salem, Oregon, undated
- ItemBB023147 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan/Elevation/Detail Piers, Bridge E71.5S, South of Salem, Oregon, undated
- ItemBB023148 - Spokane, Portland and Seattle Railway Engineering Drawing: Bridge Site, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- ItemBB023149 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan Bridge Site, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- ItemBB023150 - Spokane, Portland and Seattle Railway Engineering Drawing: General Note/Plan, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- 2816 more...