Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3003 - Maintenance Facilities
- 1868 more...
- ItemStruc007836 - Great Northern Engineering Drawing, Sewage Facilities at South Klamath, Oregon, 1976
- ItemStruc007837 - Great Northern Engineering Drawing, Sewage Facilities at South Klamath, Oregon, 1977
- ItemStruc007838 - Great Northern Engineering Drawing, Sewage Facilities at South Klamath, Oregon, 1976
- ItemStruc007839 - Great Northern Engineering Drawing, Sewage Facilities at South Klamath, Oregon, 1976
- ItemStruc007840 - Great Northern Engineering Drawing, Sewage Facilities at Havre, Montana, 1976
- ItemStruc007841 - Great Northern Engineering Drawing, Sewage Facilities at Havre, Montana, 1976
- ItemStruc007842 - Great Northern Engineering Drawing, Sewage Facilities at Havre, Montana, 1975
- ItemStruc007843 - Great Northern Engineering Drawing, Sewage Facilities at Havre, Montana, 1967
- ItemStruc007844 - Great Northern Engineering Drawing, Sewage Facilities at Havre, Montana, undated
- 214 more...