Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Track
- 91 mais...
- 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
- ItemEBP3276 - Great Northern Track Technical Drawing, 1896
- ItemEBP3277 - Great Northern Track Technical Drawing, 1890
- ItemEBP3278 - Great Northern Track Technical Drawing, 1913
- ItemEBP3279 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1888
- 154 mais...