Northern Pacific steam locomotive 1904 at Spokane, Washington, on September 28, 1951. Number 1904 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 2611 at Spokane, Washington, in 1940. Number 2611 is a class A built by Alco-Schenectady in 1927. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2687 at Spokane, Washington, on May 20, 1953. Number 2687 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2687 at Spokane, Washington, on May 20, 1953. Number 2687 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2687 at Spokane, Washington, on May 20, 1953. Number 2687 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2687 at Spokane, Washington, on May 20, 1953. Number 2687 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5113 at Spokane, Washington, on May 06, 1950. Number 5113 is a class Z-6 built by Alco-Schenectady in 1937. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5113 at Spokane, Washington, on May 06, 1950. Number 5113 is a class Z-6 built by Alco-Schenectady in 1937. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5113 at Spokane, Washington, on May 06, 1950. Number 5113 is a class Z-6 built by Alco-Schenectady in 1937. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific 5115, a class Z-6, leads a westbound extra freight at Spokane, Washington, in 1941. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.