Mike Leavenworth: Great Northern Railway offices - North Dakota color Slide 1956
Mike Leavenworth: Great Northern Railway Roundhouse with Truck - North Dakota color Slide 1956
Mike Leavenworth: Roundhouse area - North Dakota color Slide 1956
Mike Leavenworth: Great Northern Railway - Crowded Railyard - North Dakota color Slide 1956
Mike Leavenworth: Steam Locomotive on the move - North Dakota color Slide 1956
Mike Leavenworth: 2-10-2 Santa Fe Class Q Steam Locomotive 2186 - North Dakota color Slide 1956