Great Northern Railway 2014 at Williston, North Dakota. The locomotive is a General Motors Electro Motive Division Model GP20. Big Sky Blue paint scheme. Other subject classes: Locomotive, GP20

Great Northern Railway 3059 at Williston, North Dakota. The locomotive is a Baldwin 2-8-2 left side as displayed in park. Other subject classes: Locomotive, O-1

Great Northern Railway 3059 at Williston, North Dakota. The locomotive is a Baldwin 2-8-2 coupling between engine and tender as displayed in park. Other subject classes: Locomotive, O-1

Great Northern Railway 3059 at Williston, North Dakota. The locomotive is a Baldwin 2-8-2 left side of tender as displayed in park. Other subject classes: Locomotive, O-1

Great Northern Railway 3059 at Williston, North Dakota. The locomotive is a Baldwin 2-8-2 right side of tender as displayed in park. Other subject classes: Locomotive, O-1

Great Northern Railway 3059 at Williston, North Dakota. The locomotive is a Baldwin 2-8-2 rear view of tender as displayed in park. Other subject classes: Locomotive, O-1

Great Northern Railway 31 at Williston, North Dakota in 1969. The locomotive is an General Motors Electro Motive Division SW1200. Other subject classes: Locomotive, SW-9

Great Northern Railway 366-A at Williston, North Dakota. The locomotive is a General Motors Electro Motive Division Model F3A; renumbered from 260A in 1960. Big Sky Blue paint scheme. Other subject classes: Locomotive, P-3-7-AB

Great Northern Railway 384-B at Williston, North Dakota. The locomotive is a General Motors Electro Motive Division Model F7B; renumbered from 464B in 1969 when converted from freight to passenger service. Big Sky Blue paint scheme. Other subject classes: Locomotive, P-3-7-AB