Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série009 - Engineering Records
- 007 - Track
- 227 en plus...
- PièceEBP4345 - Great Northern Track Technical Drawing, 1897
- PièceEBP4346 - Great Northern Track Technical Drawing, 1898
- PièceEBP4347 - Great Northern Track Technical Drawing, 1898
- PièceEBP4348 - Great Northern Track Technical Drawing, 1900
- PièceEBP4349 - Great Northern Track Technical Drawing, 1901
- PièceEBP4350 - Great Northern Track Technical Drawing, 1899
- PièceEBP4351 - Great Northern Track Technical Drawing, 1910
- PièceEBP4352 - Great Northern Track Technical Drawing, 1892
- PièceEBP4353 - Great Northern Track Technical Drawing, 1896
- 18 en plus...