Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Track
- 216 mais...
- ItemEBP4111 - Great Northern Technical Drawing, Superior, Wisconsin, 1907
- ItemEBP4114 - Great Northern Technical Drawing, Superior, Wisconsin, 1907
- ItemEBP4151 - Great Northern Track Technical Drawing, 1966
- ItemEBP4154 - Great Northern Track Technical Drawing, 1966
- ItemEBP4244 - Great Northern Track Technical Drawing, 1909
- ItemEBP4245 - Great Northern Track Technical Drawing, 1909
- ItemEBP4246 - Great Northern Track Chart, 1907
- ItemEBP4247 - Great Northern Track Technical Drawing, 1906
- ItemEBP4248 - Great Northern Track Technical Drawing, 1898
- 29 mais...