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
- 1803 more...
- ItemBB028386 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Machinery, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028387 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bolster Roller, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028388 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Rail Latch, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028389 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Machinery, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028390 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Machinery, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028391 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Drum Segment, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 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
- 2106 more...