Great Northern Blueprint Number 1041-7, map of Billings & Northern Railway, Billings to Judith Gap, 1906. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1284-24-1, map of Billings & Northern Railway, Billings to Lake Basin, 1906. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1234-23-1, map of Billings & Northern Exhibit 'A' Crossing Milwaukee Road in Fergus County, 1906. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1217-31-2, map of Part of Montana Showing Billings & Northern Railway, 1906. Other subject categories: Map

Great Northern Blueprint Number 1217-31-1, map of Part of Montana Showing Billings & Northern Railway, 1902. Other subject categories: Map

Great Northern Blueprint Number 1217-28, map of Billings to Great Falls Line Judith Gap to Armington, 1902. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1217-27, map of Billings to Great Falls Line Judith Gap to Armington 92 Miles, 1902. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1205-28-1, map of Billings & Northern Railway Amended Location Billings to Armington 2nd 20 Mile Section (3 copies), 1906. Other subject categories: Filing Map

Great Northern Blueprint Number 1205-29-1, map of Billings & Northern Railway Amended Location Billings to Armington 3rd 20 Mile Section (2 copies), 1906. Other subject categories: Filing Map

Great Northern Blueprint Number 1205-35-1, map of Billings & Northern Amended Location Billings to Armington 9th 20 Mile Section (2 copies), 1906. Other subject categories: Filing Map