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
- 2042 more...
- ItemEBP3196 - Great Northern Filing Map, Poplar, Montana, 1909
- ItemEBP3197 - Great Northern Filing Map, Poplar, Montana, 1917
- ItemEBP3198 - Great Northern Filing Map, Poplar, Montana, 1917
- ItemEBP3199 - Great Northern Right of Way and Track Map, Poplar, Montana, 1919
- ItemEBP3200 - Great Northern Filing Map, Poplar, Montana, undated
- ItemEBP3201 - Great Northern Filing Map, Poplar, Montana, undated
- ItemEBP3202 - Great Northern Right of Way and Track Map, Poplar, Montana, 1913
- ItemEBP3203 - Great Northern Filing Map, Poplar, Montana, 1909
- ItemEBP3204 - Great Northern Filing Map, Poplar, Montana, 1913
- 965 more...