Northern Pacific steam locomotive 1531 at Mandan, North Dakota, on July 31, 1934. Number 1531, a class W built by Alco-Brooks in 1905, is boarded up and partially disassembled while parked near the Mandan coal dock. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1573 at Mandan, North Dakota, on September 14, 1946. Number 1573 is a class W built by Alco-Brooks in 1906. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1711 at Mandan, North Dakota, on April 26, 1950. Number 1711 is a class W-3 built by Alco-Brooks in 1913. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1778 at Mandan, North Dakota, on September 15, 1946. Number 1778 is a class W-3 built by Alco-Brooks in 1918. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1800 at Mandan, North Dakota, on September 14, 1946. Number 1800 is a class W-3 built by Alco-Brooks in 1918. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1803 at Mandan, North Dakota, on April 21, 1950. Number 1803 is a class W-3 built by Alco-Brooks in 1918. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1807 at Mandan, North Dakota, on September 18, 1946. Number 1807 is a class W-3 built by Alco-Brooks in 1918. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1908 at Mandan, North Dakota, on September 14, 1946. Number 1908 is a class W-2 built by Alco-Brooks in 1904. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1917 in the deadline at Mandan in North Dakota, circa 1957. Number 1917 is a class W-2 built by Alco-Brooks in 1904. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2182 at Mandan, North Dakota, on September 14, 1946. Number 2182 is a class Q-4 built by Baldwin in 1909. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo