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
- 83 more...
- ItemStruc004633 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004634 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004635 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004636 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004637 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004638 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004639 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004640 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004641 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1969
- 90 more...