Railroad Archives Online
- FondoE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Sottoserie009 - Engineering Records
- 007 - Track
- 91 in più...
- Unità documentariaEBP3271 - Great Northern Track Technical Drawing, 1966
- Unità documentariaEBP3272 - Great Northern Track Technical Drawing, undated
- Unità documentariaEBP3273 - Great Northern Track Technical Drawing, undated
- Unità documentariaEBP3274 - Great Northern Track Technical Drawing, 1890
- Unità documentariaEBP3275 - Great Northern Track Technical Drawing, 1896
- Unità documentariaEBP3276 - Great Northern Track Technical Drawing, 1896
- Unità documentariaEBP3277 - Great Northern Track Technical Drawing, 1890
- Unità documentariaEBP3278 - Great Northern Track Technical Drawing, 1913
- Unità documentariaEBP3279 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1888
- 154 in più...