Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série009 - Engineering Records
- 007 - Track
- 240 en plus...
- PièceEBP4360 - Sioux City & Northern Railway Track Technical Drawing, 1892
- PièceEBP4361 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1888
- PièceEBP4362 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1888
- PièceEBP4363 - Great Northern Track Technical Drawing, 1897
- PièceEBP4364 - Great Northern Track Technical Drawing, 1897
- PièceEBP4378 - Great Northern Track Technical Drawing, 1891
- PièceEBP4379 - Great Northern Track Technical Drawing, 1906
- PièceEBP4380 - Great Northern Track Technical Drawing, 1897
- PièceEBP4475 - Great Northern Technical Drawing, Walker, Minnesota, 1898
- 5 en plus...