Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Track
- 87 mais...
- ItemEBP3171 - Great Northern Track Technical Drawing, 1903
- ItemEBP3188 - Great Northern Track Technical Drawing, 1906
- ItemEBP3268 - Great Northern Structure Technical Drawing, 1897
- ItemEBP3270 - Duluth & Winnipeg Railway Track Technical Drawing, undated
- ItemEBP3271 - Great Northern Track Technical Drawing, 1966
- ItemEBP3272 - Great Northern Track Technical Drawing, undated
- ItemEBP3273 - Great Northern Track Technical Drawing, undated
- ItemEBP3274 - Great Northern Track Technical Drawing, 1890
- ItemEBP3275 - Great Northern Track Technical Drawing, 1896
- 158 mais...