Northern Pacific steam locomotive 53 at South Tacoma, Washington, on July 31, 1936. Number 53 is a class F-1 built by Baldwin in 1891. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 520, circa 1915. Number 520 is a class D-3 built by Baldwin in 1891. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 52, circa 1903. Number 52, a class F-1 built by Baldwin in 1891, but shown here after being rebuilt as a Vauclain compound in 1896. It is posed with its crew on a branch line in western Washington, before 1903. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, railroad crew

Northern Pacific steam locomotive 5149 at Laurel, Montana, on May 21, 1954. Number 5149, a class Z-8 built by Alco-Schenectady in 1944, is parked near the roundhouse. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5147 at Livingston, Montana, on May 23, 1952. Number 5147, a class Z-8 built by Alco-Schenectady in 1944, passes with a freight train. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in freight train

Northern Pacific steam locomotive 5147 at Livingston, Montana, on May 23, 1952. Number 5147, a class Z-8 built by Alco-Schenectady in 1944, passes with a freight train. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in freight train

Northern Pacific steam locomotive 5146 at Laurel, Montana, on September 04, 1953. Number 5146, a class Z-8 built by Alco-Schenectady in 1944, is shown in the yard. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5145 at Tacoma, Washington, on April 14, 1955. Number 5145 class Z-8 (built by Alco-Schenectady in 1944) waits in Half Moon yard in Tacoma for its move to the south Tacoma reclamation yard. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5145 at Tacoma, Washington, on May 11, 1955. Tim Fredrickson in cab of Number 5145 which is a class Z-8 built by Alco-Schenectady in 1944. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5145 at Tacoma, Washington, on May 11, 1955. Tim Fredrickson in cab of Number 5145 which is a class Z-8 built by Alco-Schenectady in 1944. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo