Railroad Archives Online
- FondoE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Sottoserie009 - Engineering Records
- 007 - Track
- 84 in più...
- Unità documentariaEBP2979 - Great Northern Track Technical Drawing, 1906
- Unità documentariaEBP2982 - Great Northern Technical Drawing, Norfolk, North Dakota, 1912
- Unità documentariaEBP3030 - Great Northern Technical Drawing, Oliver Mine, Minnesota, 1910
- Unità documentariaEBP3171 - Great Northern Track Technical Drawing, 1903
- Unità documentariaEBP3188 - Great Northern Track Technical Drawing, 1906
- Unità documentariaEBP3268 - Great Northern Structure Technical Drawing, 1897
- Unità documentariaEBP3270 - Duluth & Winnipeg Railway Track Technical Drawing, undated
- Unità documentariaEBP3271 - Great Northern Track Technical Drawing, 1966
- Unità documentariaEBP3272 - Great Northern Track Technical Drawing, undated
- 161 in più...