Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série009 - Engineering Records
- 007 - Track
- 4 en plus...
- PièceEBP0055 - Great Northern Track Technical Drawing, 1905
- PièceEBP0056 - Great Northern Track Technical Drawing, 1904
- PièceEBP0057 - Great Northern Track Technical Drawing, 1909
- PièceEBP0059 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1887
- PièceEBP0060 - TS & LW Railroad Track Technical Drawing, 1901
- PièceEBP0061 - Great Northern Track Technical Drawing, 1887
- PièceEBP0062 - Great Northern Track Technical Drawing, 1905
- PièceEBP0063 - Great Northern Track Technical Drawing, 1896
- PièceEBP0064 - Great Northern Track Technical Drawing, 1888
- 241 en plus...