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
- 7 more...
- ItemW2018-71-175 - Great Northern Railway Track Profile Mileposts 95-121, Bossburg, Washington
- ItemW2018-71-176 - Great Northern Railway Track Profile Mileposts 160-179, Salmo, British Columbia
- ItemW2018-71-177 - Great Northern Railway Track Profile Mileposts 67-96, Myncaster, British Columbia
- ItemW2018-71-178 - Great Northern Railway Track Profile Mileposts 140-160, Fruitvale, British Columbia
- ItemW2018-71-179 - Great Northern Railway Track Profile Mileposts 53-66, Toroda, Washington
- 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
- 29 more...