Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série009 - Engineering Records
- 007 - Track
- 205 en plus...
- PièceEBP4045 - Great Northern Tables, Steam Shovel Yardage Sumary, Minnesota, 1907
- PièceEBP4046 - Great Northern Tables, Steam Shovel Yardage, Minnesota, 1908
- PièceEBP4047 - Great Northern Tables, Steam Shovel Yardage, Minnesota, 1907
- PièceEBP4048 - Great Northern Tables, Steam Shovels, Minnesota, 1901
- PièceEBP4070 - Great Northern Track Technical Drawing, 1902
- PièceEBP4071 - Great Northern Track Technical Drawing, 1903
- PièceEBP4072 - Great Northern Track Technical Drawing, 1903
- PièceEBP4073 - Great Northern Track Technical Drawing, 1902
- PièceEBP4074 - Great Northern Track Technical Drawing, 1903
- 40 en plus...