Railroad Archives Online
- CollectionE0477 - BNSF Maps, Drawings and Records Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2001 - Railroads - right of way
- 2586 more...
- ItemEBP4082 - Great Northern Contour Map, Summit, Montana, 1923
- ItemEBP4086 - Great Northern Right of Way and Track Map, Summit, Montana, 1902
- ItemEBP4087 - Great Northern Right of Way and Track Map, Summit, Montana, 1902
- ItemEBP4088 - Great Northern Filing Map, Summit, Montana, 1909
- ItemEBP4089 - Great Northern Filing Map, Summit, Montana, 1909
- ItemEBP4090 - Great Northern Right of Way and Track Map, Summit, Montana, undated
- ItemEBP4094 - Saint Paul, Minneapolis & Manitoba Railway Right of Way and Track Map, Summit, Montana, 1891
- ItemEBP4096 - Montana Central Railway Right of Way and Track Map, Summit Valley, Montana, 1891
- ItemEBP4097 - Great Northern Right of Way and Track Map, Sun River Line, Montana, undated
- 421 more...