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
- 1684 more...
- ItemBB025463 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG), Bridge F5.7 - Dairy Creek, West of Hillsboro, Oregon, undated
- ItemBB025464 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Span, Bridge F5.7 - Dairy Creek, West of Hillsboro, Oregon, undated
- ItemBB025465 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Span, Bridge F5.7 - Dairy Creek, West of Hillsboro, Oregon, undated
- ItemBB025466 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge F5.7 - Dairy Creek, West of Hillsboro, Oregon, undated
- ItemBB025467 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge F5.7 - Dairy Creek, West of Hillsboro, Oregon, undated
- ItemBB025468 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge F5.7 - Dairy Creek, West of Hillsboro, Oregon, undated
- ItemBB028273 - Spokane, Portland and Seattle Railway Engineering Drawing: Draw Span Protection, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028274 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail 6 Pile Bent, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028275 - Spokane, Portland and Seattle Railway Engineering Drawing: East Abutment, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, 1927
- 2225 more...