Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Track
- 108 mais...
- ItemEBP3290 - Great Northern Track Technical Drawing, undated
- ItemEBP3294 - Great Northern Track Technical Drawing, 1899
- ItemEBP3371 - Great Northern Track Technical Drawing, 1909
- ItemEBP3372 - Great Northern Track Technical Drawing, 1909
- ItemEBP3373 - Great Northern Track Technical Drawing, 1909
- ItemEBP3374 - Great Northern Technical Drawing, Road Bed Cross Sections, Montana, 1954
- ItemEBP3375 - Great Northern Technical Drawing, Road Bed Cross Sections, Montana, 1954
- ItemEBP3591 - Great Northern Technical Drawing, Sharon, North Dakota, 1911
- ItemEBP3598 - Great Northern Track Technical Drawing, 1893
- 137 mais...