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
- 1694 more...
- ItemBB028277 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028278 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028279 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028280 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Tie, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028281 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Tie, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028282 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Tie, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028283 - Spokane, Portland and Seattle Railway Engineering Drawing: Details of Ties, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028284 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Ties, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028285 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel End Ties, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 2215 more...