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
- 3898 more...
- ItemBB034022 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Elevation, Bridge E26.2 - Beaverton Creek - General Plan, West of Saint Helens, Oregon, undated
- ItemBB034023 - Spokane, Portland and Seattle Railway Engineering Drawing: Typical Section, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated
- ItemBB034024 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutments, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated
- ItemBB034025 - Spokane, Portland and Seattle Railway Engineering Drawing: Piers, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated
- ItemBB034026 - Spokane, Portland and Seattle Railway Engineering Drawing: Box Girders, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated
- ItemBB034027 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Elevation, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated
- ItemBB034028 - Spokane, Portland and Seattle Railway Engineering Drawing: Typical Section, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated
- ItemBB034029 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutments, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated
- ItemBB034030 - Spokane, Portland and Seattle Railway Engineering Drawing: Piers, Bridge E26.2 - Beaverton Creek, West of Saint Helens, Oregon, undated
- 11 more...