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
- 1107 more...
- ItemBB023156 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge E71.6 - Mill Creek, South of Salem, Oregon, 1950
- ItemBB023158 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E71.6 - Mill Creek, South of Salem, Oregon, 1950
- ItemBB023159 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Details, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- ItemBB023160 - Spokane, Portland and Seattle Railway Engineering Drawing: Girder/Cross Frame, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- ItemBB023161 - Spokane, Portland and Seattle Railway Engineering Drawing: Girder/Laterals, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- ItemBB023162 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Details, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- ItemBB023163 - Spokane, Portland and Seattle Railway Engineering Drawing: Girder/Bolts/Beam Span, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- ItemBB023164 - Spokane, Portland and Seattle Railway Engineering Drawing: Profile of Mill Creek, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- ItemBB023165 - Spokane, Portland and Seattle Railway Engineering Drawing: Ravine Section, Bridge E71.6 - Mill Creek, South of Salem, Oregon, undated
- 2802 more...