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
- 1133 more...
- ItemBB023186 - Spokane, Portland and Seattle Railway Engineering Drawing: Skew Bents, Bridge E78.8 - Underpass, South of Minto, Oregon, undated
- ItemBB023188 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E78.8 - Underpass, South of Minto, Oregon, 1951
- ItemBB023189 - Spokane, Portland and Seattle Railway Engineering Drawing: Falsework Detail, Bridge E78.8 - Underpass, South of Minto, Oregon, 1951
- ItemBB023190 - Spokane, Portland and Seattle Railway Engineering Drawing: Pile Plan/General Plan, Bridge E78.8 - Underpass, South of Minto, Oregon, undated
- ItemBB023191 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Details, Bridge E78.8 - Underpass, South of Minto, Oregon, undated
- ItemBB023192 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Plan, Bridge E78.8 - Underpass, South of Minto, Oregon, undated
- ItemBB023193 - Spokane, Portland and Seattle Railway Engineering Drawing: Reinforcement Detail/Schedule, Bridge E78.8 - Underpass, South of Minto, Oregon, undated
- ItemBB023194 - Spokane, Portland and Seattle Railway Engineering Drawing: Layout of Trestle Brace, Bridge E80.1 - Underpass, South of Orville, Oregon, undated
- ItemBB023196 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E80.1 - Underpass, South of Orville, Oregon, 1950
- 2776 more...