Northern Pacific steam locomotive 1915 at Dickinson, North Dakota, on July 25, 1934. Number 1915, a class W-2 built by Alco-Brooks in 1904, moves onto the turntable. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, turntable

Northern Pacific steam locomotive 5009 at Dickinson, North Dakota, on September 15, 1946. Number 5009 is a class Z-5 built by Baldwin in 1930. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5010 at Dickinson, North Dakota, on September 15, 1946. Number 5010 is a class Z-5 built by Baldwin in 1930. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo