Northern Pacific steam locomotive 1634 at Livingston, Montana, on August 22, 1943. Number 1634 is a class W built by Alco-Brooks in 1907. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1634 at Livingston, Montana, on May 23, 1952. Number 1634 is a class W built by Alco-Brooks in 1907. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1660 at Livingston, Montana, on August 18, 1949. Number 1660 is a class W-1 built by Alco-Brooks in 1910. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1693 at Livingston, Montana, on May 23, 1954. Number 1693 is a class W-1 built by Alco-Schenectady in 1910. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1700 at Livingston, Montana, on August 18, 1949. Number 1700 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 1700 at Livingston, Montana, on May 22, 1952. Number 1700 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 1700 at Livingston, Montana, on May 22, 1952. Number 1700 is a class W-3 built by Alco-Brooks in 1913. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1713 at Livingston, Montana, in August 1943. Number 1713 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 1722 at Livingston, Montana, on May 23, 1952. Number 1722 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 1728 at Livingston, Montana, on May 28, 1954. Number 1728 is a class W-3 built by Alco-Brooks in 1913. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo