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
- 1809 more...
- ItemBB028392 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Drum Support, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028393 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028394 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028395 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028396 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028397 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028398 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028399 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Motor Support, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028400 - Spokane, Portland and Seattle Railway Engineering Drawing: Switch Board, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 2100 more...