Northern Pacific steam locomotive 1589 at South Tacoma, Washington, on May 04, 1940. Number 1589, a class W built by Alco-Brooks in 1906, poses for photos after leaving the South Tacoma shops. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1591 parked in a deadline at Tacoma, Washington, circa 1937. Number 1592 is a class W built by Alco-Brooks in 1906. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1592 at Paradise, Montana, on May 29, 1954. Number 1592 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 1594 at Logan, Montana, on August 22, 1943. 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 1595 at Dilworth, Minnesota, on May 24, 1954. Number 1595 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 1596 at Spokane, Washington, on July 15, 1933. Number 1596, a class W built by Alco-Brooks in 1906, is parked at Spokane. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1598 and crew pose at the water tank, circa 1910. Number 1598 is a class W built by Alco-Brooks in 1906 J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1598 poses partially on a turntable, circa 1910. Number 1598 is a class W built by Alco-Brooks in 1906 J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1599 leads a passenger train downgrade between New Stampede and Borup Loop, Washington, circa 1925. The westbound train is between Stampede and Borup at milepost 51 after the tunnel between 50 and 51 was daylighted. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train