Northern Pacific steam locomotive 1507 at Livingston, Montana, on May 23, 1954. Number 1507 is a class W built by Alco-Brooks in 1904. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1529 at Livingston, Montana, on May 23, 1954. Number 1529 is a class W built by Alco-Brooks in 1905. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1562 at Livingston, Montana, on September 05, 1953. Number 1562 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 1562 at Livingston, Montana, on May 23, 1954. Number 1562 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 1594 at Livingston, Montana, on August 18, 1949. Number 1594 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 1603 at Livingston, Montana, on May 23, 1952. Number 1603 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 1603 at Livingston, Montana, on May 23, 1952. Number 1603 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 1603 at Livingston, Montana, on May 29, 1954. Number 1603 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 1621 at Livingston, Montana, on September 05, 1953. Number 1621 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 1621 at Livingston, Montana, on March 18, 1954. Number 1621 is a class W built by Alco-Brooks in 1907. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo