Railroad Archives Online
- 宗卷E0477 - BNSF Maps, Drawings and Records Collection
- 系列003 - Great Northern Railway Company (U.S.)
- 次系列009 - Engineering Records
- 003 - Maintenance Facilities
- 24 more...
- 物件EBP1817 - Great Northern Technical Drawing, Heimdal, North Dakota, 1928
- 物件EBP1818 - Great Northern Technical Drawing, Heimdal, North Dakota, 1928
- 物件EBP1819 - Great Northern Technical Drawing, Heimdal, North Dakota, 1925
- 物件EBP1820 - Great Northern Technical Drawing, Heimdal, North Dakota, 1918
- 物件EBP1821 - Great Northern Technical Drawing, Heimdal, North Dakota, 1918
- 物件EBP1822 - Great Northern Technical Drawing, Heimdal, North Dakota, 1918
- 物件EBP1823 - Great Northern Technical Drawing, Heimdal, North Dakota, 1918
- 物件EBP1824 - Great Northern Technical Drawing, Heimdal, North Dakota, 1918
- 物件EBP1825 - Great Northern Technical Drawing, Heimdal, North Dakota, 1918
- 199 more...