Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Track
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- ItemEBP1482 - Great Northern Chart, Fargo, North Dakota, 1913
- ItemEBP1506 - Saint Paul, Minneapolis & Manitoba Railway Technical Drawing, Fern Bluff, Washington, 1892
- ItemEBP1509 - Saint Paul, Minneapolis & Manitoba Railway Technical Drawing, Fern Bluff, Washington, 1892
- ItemEBP1570 - Great Northern Track Technical Drawing, 1906
- ItemEBP1571 - Great Northern Track Technical Drawing, 1900
- ItemEBP1572 - Great Northern Track Technical Drawing, 1893
- ItemEBP1573 - Great Northern Track Technical Drawing, 1896
- ItemEBP1574 - Great Northern Technical Drawing, , Minnesota, 1898
- ItemEBP1575 - Great Northern Track Technical Drawing, undated
- 200 mais...