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
- 2062 more...
- ItemEBP3216 - Right of Way and Track Map, Portage, Montana, undated
- ItemEBP3217 - Great Northern Right of Way and Track Map, Portage, Manitoba, 1925
- ItemEBP3218 - Saint Paul, Minneapolis & Manitoba Railway Right of Way and Track Map, Portage, Montana, 1889
- ItemEBP3219 - Saint Paul, Minneapolis & Manitoba Railway Right of Way and Track Map, Portage, Montana, 1900
- ItemEBP3220 - Saint Paul, Minneapolis & Manitoba Railway Right of Way and Track Map, Portage, Montana, 1900
- ItemEBP3221 - Saint Paul, Minneapolis & Manitoba Railway Right of Way and Track Map, Portage, Montana, 1900
- ItemEBP3222 - Great Northern Right of Way and Track Map, Portage, Montana, 1889
- ItemEBP3223 - Saint Paul, Minneapolis & Manitoba Railway Right of Way and Track Map, Portage Coulee, Montana, undated
- ItemEBP3224 - Grand Trunk Pacific Railway Right of Way and Track Map, Portage La Prairie, Manitoba, 1906
- 945 more...