Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Track
- ItemEBP0040 - Duluth & Winnipeg Railway Technical Drawing, Allouez Bay, Wisconsin, undated
- ItemEBP0042 - Great Northern Technical Drawing, Allouez, Wisconsin, 1955
- ItemEBP0046 - Montana Central Railway Technical Drawing, Amazon, Montana, undated
- ItemEBP0054 - Great Northern Track Technical Drawing, 1904
- ItemEBP0055 - Great Northern Track Technical Drawing, 1905
- ItemEBP0056 - Great Northern Track Technical Drawing, 1904
- ItemEBP0057 - Great Northern Track Technical Drawing, 1909
- ItemEBP0059 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1887
- ItemEBP0060 - TS & LW Railroad Track Technical Drawing, 1901
- 245 mais...