Railroad Archives Online
- CollectionE0477 - BNSF Maps, Drawings and Records Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2003 - Track profile
- 152 more...
- ItemEBP4083 - Great Northern Track Profile, Summit, Montana, 1923
- ItemEBP4084 - Great Northern Track Profile, Summit, Montana, 1902
- ItemEBP4085 - Great Northern Track Profile, Summit, Montana, 1902
- ItemEBP4091 - Great Northern Track Profile, Summit, Montana, 1909
- ItemEBP4092 - Great Northern Track Profile, Summit, Montana, 1909
- ItemEBP4093 - Great Northern Track Profile, Summit, Montana, 1909
- ItemEBP4138 - Great Northern Track Profile, Surrey, North Dakota, 1907
- ItemEBP4139 - Great Northern Track Profile, Surrey, North Dakota, 1907
- ItemEBP4141 - Oregon, California & Eastern Railway Track Profile, Swan Lake, Oregon, 1958
- 22 more...