Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série012 - Cartographic materials
- 001 - Railroads - right of way
- 395 en plus...
- PièceEBP0505 - Montana Central Railway Right of Way and Track Map, Butte, Montana, 1896
- PièceEBP0506 - Map, Butte, Montana, undated
- PièceEBP0507 - Map, Butte, Montana, 1890
- PièceEBP0508 - Map, Butte, Montana, 1889
- PièceEBP0509 - Map, Butte, Montana, undated
- PièceEBP0510 - Great Northern Right of Way and Track Map, Buxton Pit, North Dakota, 1901
- PièceEBP0511 - Great Northern Right of Way and Track Map, Buxton Pit, North Dakota, 1905
- PièceEBP0512 - Great Northern Right of Way and Track Map, Buxton Pit, North Dakota, 1913
- PièceEBP0513 - Great Northern Right of Way and Track Map, Buxton Pit, North Dakota, 1915
- 2612 en plus...