Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série009 - Engineering Records
- 007 - Track
- 99 en plus...
- PièceEBP3279 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1888
- PièceEBP3280 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1887
- PièceEBP3281 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, undated
- PièceEBP3282 - Great Northern Track Technical Drawing, 1903
- PièceEBP3283 - Great Northern Track Technical Drawing, undated
- PièceEBP3284 - Great Northern Track Technical Drawing, 1903
- PièceEBP3285 - Great Northern Track Technical Drawing, 1903
- PièceEBP3286 - Wolhaupter Track Technical Drawing, 1903
- PièceEBP3289 - Illinois Steel Company Track Technical Drawing, 1897
- 146 en plus...