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
- 2068 more...
- 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
- ItemEBP3225 - Midland of Manitoba Railway Right of Way and Track Map, Portage La Prairie, Manitoba, 1905
- ItemEBP3226 - Midland of Manitoba Railway Right of Way and Track Map, Portage La Prairie, Manitoba, 1906
- ItemEBP3227 - Midland of Manitoba Railway Right of Way and Track Map, Portage La Prairie, Manitoba, 1907
- ItemEBP3228 - Midland of Manitoba Railway Right of Way and Track Map, Portage La Prairie, Manitoba, 1907
- ItemEBP3229 - Great Northern Right of Way and Track Map, Portland, North Dakota, undated
- ItemEBP3230 - Great Northern Right of Way and Track Map, Portland, Oregon, undated
- 939 more...