Great Northern Blueprint Number 1205-33-1, map of Billings & Northern Railway, Location Billings to Armington, 1906. Other subject categories: Filing Map

Great Northern Blueprint Number 1205-28-1, map of Billings & Northern Railway Amended Location Billings to Armington 6th 20 Mile Section (2 copies), 1906. Other subject categories: Filing Map

Great Northern Blueprint Number 1205-31-1, map of Billings & Northern Railway, Billings to Armington Line 5th 20 Mile Section (2 copies), 1906. Other subject categories: Filing Map

Great Northern Blueprint Number 1205-36-2, map of Billings & Northern Railway, Billings to Armington 10th 20 Mile Section, 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

Great Northern Blueprint Number 1205-30-1, map of Billings & Northern Railway, Billings to Armington Line 4th 20 Mile Section (2 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 1205-34-1, map of Billings & Northern Railway Amended Location Billings to Armington 8th 20 Mile Section (2 copies), 1906. Other subject categories: Filing Map

Great Northern Blueprint Number 1205-27-1, map of Billings Northern Railway, Amended Location Billings to Armington 1st 20 Mile Section (2 copies), 1906. Other subject categories: Filing Map

Great Northern Blueprint Number 1205-33-2, map of Billings & Northern Railway, Amended Location Billings to Armington, 1906. Other subject categories: Filing Map