Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Teilserie009 - Engineering Records
- 007 - Track
- ObjektEBP0040 - Duluth & Winnipeg Railway Technical Drawing, Allouez Bay, Wisconsin, undated
- ObjektEBP0042 - Great Northern Technical Drawing, Allouez, Wisconsin, 1955
- ObjektEBP0046 - Montana Central Railway Technical Drawing, Amazon, Montana, undated
- ObjektEBP0054 - Great Northern Track Technical Drawing, 1904
- ObjektEBP0055 - Great Northern Track Technical Drawing, 1905
- ObjektEBP0056 - Great Northern Track Technical Drawing, 1904
- ObjektEBP0057 - Great Northern Track Technical Drawing, 1909
- ObjektEBP0059 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1887
- ObjektEBP0060 - TS & LW Railroad Track Technical Drawing, 1901
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