Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série009 - Engineering Records
- 007 - Track
- 29 en plus...
- PièceEBP1186 - Great Northern Track Technical Drawing, 1911
- PièceEBP1206 - Great Northern Technical Drawing, Crossing in Sioux Falls, South Dakota, 1940
- PièceEBP1268 - Great Northern Track Technical Drawing, undated
- PièceEBP1269 - Great Northern Track Technical Drawing, undated
- PièceEBP1270 - Great Northern Track Technical Drawing, 1906
- PièceEBP1271 - Great Northern Track Technical Drawing, undated
- PièceEBP1272 - Great Northern Track Technical Drawing, 1966
- PièceEBP1273 - Great Northern Track Technical Drawing, 1966
- PièceEBP1304 - Great Northern Track Technical Drawing, 1896
- 216 en plus...