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
- 509 more...
- ItemBB022537 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Laterals, Bridge T74.6 - Deschutes River, South of Dixon, Oregon, undated
- ItemBB022538 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Detail, Bridge T74.6 - Deschutes River, South of Dixon, Oregon, undated
- ItemBB022539 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Guard Angle, Bridge T74.6 - Deschutes River, South of Dixon, Oregon, undated
- ItemBB022540 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Materials, Bridge T74.6 - Deschutes River, South of Dixon, Oregon, undated
- ItemBB022541 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, South of Dixon, Oregon, undated
- ItemBB022542 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, South of Dixon, Oregon, undated
- ItemBB022543 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, South of Dixon, Oregon, undated
- ItemBB022544 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, South of Dixon, Oregon, undated
- ItemBB022545 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, South of Dixon, Oregon, undated
- 3400 more...