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 3004 - Maintenance of Way support
- 55 more...
- ItemStruc004605 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004606 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004607 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004608 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004609 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004610 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004611 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004612 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004613 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1967
- 118 more...