Railroad Archives Online
- CollectionD0018 - Robert E. Kelly Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2W2018-71-003 - Track profile
- 12 more...
- ItemW2018-71-180 - Great Northern Railway Track Profile Mileposts 76-95, Colville, Washington, 1949
- ItemW2018-71-181 - Great Northern Railway Track Profile Mileposts 122-139, Addy, Washington, 1942
- ItemW2018-71-182 - Great Northern Railway Track Profile Mileposts 49-68, Curlew, Washington, 1959
- ItemW2018-71-183 - Great Northern Railway Track Profile Mileposts 115-135, Oroville, Washington, 1915
- ItemW2018-71-184 - Great Northern Railway Track Profile Mileposts 68-80.6, Republic, Washington
- ItemW2018-71-185 - Great Northern Railway Track Profile Mileposts 13-34, Orient, Washington, 1959
- ItemW2018-71-186 - Great Northern Railway Track Profile Mileposts 56-75, Chewelah, Washington, 1949
- ItemW2018-71-202 - Great Northern Railway Track Profile Mileposts 1354-1477, Laclede, Idaho, 1942
- ItemW2018-71-203 - Great Northern Railway Track Profile Mileposts 1220-1350, Rexford, Montana, 1943
- 24 more...