Great Northern Blueprint Number 1188-3-2, map of Glacier Park Summit Revision Milepost 2.7 to 11.5 (5 copies), 1917. Other subject categories: Filing Map

Great Northern Blueprint Number 1626-6-1, map of Glacier Park Station to Saint Mary Lake, 1914. Other subject categories: Filing Map

Great Northern Blueprint Number 1627-4-2, map of Telephone Line Glacier Park Station to Saint Mary in Glacier National Park, 1914. Other subject categories: Filing Map

Great Northern Blueprint Number 1626-6-3, map of Glacier Park Station to Saint Mary Lake Letter and Field Notes, 1914. Other subject categories: Filing Map

Great Northern Blueprint Number 1627-4-1, map of Telephone Line Glacier Park Station to Saint Mary in Blackfoot Indian Reservation, 1914. Other subject categories: Filing Map

Great Northern Blueprint Number 1626-6-2, map of Glacier Park Station to Saint Mary Lake, 1914. Other subject categories: Filing Map

Great Northern Blueprint Number 1626-6-4, map of Glacier Park Station to Saint Mary Lake Letter and Field Notes, 1914. Other subject categories: Filing Map

Great Northern Blueprint Number 1262-26-4, map of Reservoir, Dam Site and Pipe Line, Glacier Park, 1912. Other subject categories: Filing Map