Great Northern Blueprint Number 1180-32-4, map of Proposed Site of Montana Smelting Company, undated. Other subject categories: Contour Map

Great Northern Blueprint Number 1244-3-1, map of Great Falls & Canada Railway 5 Miles South of Conrad to 6 Miles North of Kevin, 1925. Other subject categories: Filing Map

Great Northern Blueprint Number 1405-11, map of Reef Coulee to 3 1/2 Miles Northeast of Great Falls, 1900. Other subject categories: Location

Great Northern Blueprint Number 1240-3, map of Topographic Map of Shop Site, 1891. Other subject categories: Map

Great Northern Blueprint Number 1144-33, map of Great Falls, 1967. Other subject categories: Map

Great Northern Blueprint Number 89-4 (old 1191-5), map of Great Falls Townsite, undated. Other subject categories: Map

Great Northern Blueprint Number 1236-7, map of Great Falls Mt, 1888. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1233-30, map of Yard Map at Montana Smelting Company near Great Falls, 1888. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1180-32-1, map of Great Fallls, 1889. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1180-32-2, map of Great Falls, 1889. Other subject categories: Right of Way and Track Map