Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Cyfres003 - Great Northern Railway Company (U.S.)
- Is-gyfres009 - Engineering Records
- 007 - Track
- 212 mwy...
- EitemEBP4073 - Great Northern Track Technical Drawing, 1902
- EitemEBP4074 - Great Northern Track Technical Drawing, 1903
- EitemEBP4095 - Montana Central Railway Technical Drawing, Summit Valley, Montana, 1888
- EitemEBP4104 - Great Northern Diagram and Track Profile, Superior, Wisconsin, 1943
- EitemEBP4111 - Great Northern Technical Drawing, Superior, Wisconsin, 1907
- EitemEBP4114 - Great Northern Technical Drawing, Superior, Wisconsin, 1907
- EitemEBP4151 - Great Northern Track Technical Drawing, 1966
- EitemEBP4154 - Great Northern Track Technical Drawing, 1966
- EitemEBP4244 - Great Northern Track Technical Drawing, 1909
- 33 mwy...