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
- 28 more...
- ItemStruc001165 - Spokane, Portland, and Seattle Railway Engineering Drawing, Section Tool House at Tualatin, Oregon, 1963
- ItemStruc001167 - Spokane, Portland, and Seattle Railway Engineering Drawing, Section Tool House at Tualatin, Oregon, 1970
- ItemStruc004580 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, undated
- ItemStruc004581 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, undated
- ItemStruc004582 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1967
- ItemStruc004583 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1967
- ItemStruc004584 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1967
- ItemStruc004585 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- ItemStruc004586 - Spokane, Portland, and Seattle Railway Engineering Drawing, Line Relocation for John Day Lock and Dam, Washington, 1966
- 145 more...