Railroad Archives Online
- FondoD0027 - Timothy Miller Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Sottoserie009 - Engineering Records
- 008 - Physical plant drawing
- 004 - Maintenance of Way support
- Unità documentariaStruc000203 - Great Northern Engineering Drawing, Section Tool House at Klamath Falls, Oregon, 1972
- Unità documentariaStruc000204 - Great Northern Engineering Drawing, Section Tool House at Klamath Falls, Oregon, 1972
- Unità documentariaStruc000382 - Great Northern Engineering Drawing, Tie Treating Plant at Hillyard, Washington, 1957
- Unità documentariaStruc000426 - Great Northern Engineering Drawing, Bridge and Building Department Building at Whitefish, Montana, 1958
- Unità documentariaStruc000467 - Great Northern Engineering Drawing, Motor Car Repair Shop at South Klamath, Oregon, 1962
- 152 in più...