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
- 1170 more...
- ItemBB023229 - Spokane, Portland and Seattle Railway Engineering Drawing: Profile of San River, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023230 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E89.0 - Santiam River, South of Sidney, Oregon, 1949
- ItemBB023231 - Spokane, Portland and Seattle Railway Engineering Drawing: Open Cribbing for Pier, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023232 - Spokane, Portland and Seattle Railway Engineering Drawing: General Drawing of Piers, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023233 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan/Borings, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023234 - Spokane, Portland and Seattle Railway Engineering Drawing: Through Truss, Bridge E89.0 - Santiam River, Oregon, undated
- ItemBB023235 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail Cribbing/Shaft/Pier, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023236 - Spokane, Portland and Seattle Railway Engineering Drawing: Substructure, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- ItemBB023237 - Spokane, Portland and Seattle Railway Engineering Drawing: Floor System/Shoe/Lateral, Bridge E89.0 - Santiam River, South of Sidney, Oregon, undated
- 2739 more...