Railroad Archives Online
- FondoE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Sottoserie009 - Engineering Records
- 007 - Track
- 59 in più...
- Unità documentariaEBP1581 - Great Northern Track Technical Drawing , 1893
- Unità documentariaEBP1582 - Great Northern Track Technical Drawing, 1897
- Unità documentariaEBP1583 - Great Northern Track Technical Drawing, 1893
- Unità documentariaEBP1584 - Great Northern Track Technical Drawing, undated
- Unità documentariaEBP1585 - Great Northern Track Technical Drawing, 1906
- Unità documentariaEBP1586 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1881
- Unità documentariaEBP1587 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1888
- Unità documentariaEBP1588 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, undated
- Unità documentariaEBP1589 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, undated
- 186 in più...