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
- 1125 more...
- 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
- ItemBB023179 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutments, Bridge E76.6 - Crossing, South of Minto, Oregon, 1950
- ItemBB023181 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E76.6 - Crossing, South of Minto, Oregon, 1950
- ItemBB023182 - Spokane, Portland and Seattle Railway Engineering Drawing: E76.6 and E80.1 Details, Bridge E76.6 - Crossing, South of Minto, Oregon, undated
- ItemBB023183 - Spokane, Portland and Seattle Railway Engineering Drawing: E76.6 and E80.1 - Shop Plan, Bridge E76.6 - Crossing, South of Minto, Oregon, undated
- ItemBB023184 - Spokane, Portland and Seattle Railway Engineering Drawing: E76.6 and E80.1 - Shop Plan, Bridge E76.6 - Crossing, South of Minto, Oregon, undated
- ItemBB023185 - Spokane, Portland and Seattle Railway Engineering Drawing: Layout of Trestle Bridge, Bridge E78.8 - Underpass, South of Minto, Oregon, undated
- ItemBB023186 - Spokane, Portland and Seattle Railway Engineering Drawing: Skew Bents, Bridge E78.8 - Underpass, South of Minto, Oregon, undated
- 2784 more...