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 3007 - Track
- 53 more...
- ItemBB031598 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Details, undated
- ItemBB031599 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plan, 1944
- ItemBB033263 - Spokane, Portland, and Seattle Railway Engineering Drawing: Headwalls, Culvert, undated
- ItemBB033264 - Spokane, Portland, and Seattle Railway Engineering Drawing: Headwalls, Culvert, undated
- ItemBB033265 - Spokane, Portland, and Seattle Railway Engineering Drawing: 8 Foot X 8 Foot Culvert, Culvert, 1954
- ItemBB033266 - Spokane, Portland, and Seattle Railway Engineering Drawing: 6 Foot X 6 Foot Culvert, Culvert, 1954
- ItemBB033267 - Spokane, Portland, and Seattle Railway Engineering Drawing: 6 Foot X 6 Foot Culvert, Culvert, 1954
- ItemBB033268 - Spokane, Portland, and Seattle Railway Engineering Drawing: Miscellaneous Drain Detail, Culvert, 1954
- ItemBB033269 - Spokane, Portland, and Seattle Railway Engineering Drawing: Miscellaneous Drain Detail, Culvert, 1954
- 30 more...