Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Cyfres003 - Great Northern Railway Company (U.S.)
- Is-gyfres012 - Cartographic materials
- 001 - Railroads - right of way
- 2057 mwy...
- EitemEBP3211 - Great Northern Filing Map, Poplar, Montana, 1917
- EitemEBP3212 - Great Northern Right of Way and Track Map, Poplar, Montana, 1909
- EitemEBP3213 - Great Northern Right of Way and Track Map, Poplar, Montana, 1913
- EitemEBP3214 - Great Northern Right of Way and Track Map, Port Hill, Idaho, 1930
- EitemEBP3215 - Map, Port Hope, Minnesota, undated
- EitemEBP3216 - Right of Way and Track Map, Portage, Montana, undated
- EitemEBP3217 - Great Northern Right of Way and Track Map, Portage, Manitoba, 1925
- EitemEBP3218 - Saint Paul, Minneapolis & Manitoba Railway Right of Way and Track Map, Portage, Montana, 1889
- EitemEBP3219 - Saint Paul, Minneapolis & Manitoba Railway Right of Way and Track Map, Portage, Montana, 1900
- 950 mwy...