Northern Pacific steam locomotive 50 at Tacoma, Washington, on March 30, 1936. Number 50, a class F-1 built by Baldwin in 1888, is parked on a radial track at the Tacoma roundhouse. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roundhouse

Northern Pacific steam locomotive 50 at Tacoma, Washington, on March 30, 1936. Number 50, a class F-1 built by Baldwin in 1888, is parked on a radial track at the Tacoma roundhouse. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roundhouse

Northern Pacific steam locomotive 50 at Tacoma, Washington, on February 29, 1936. Number 50, a class F-1 built by Baldwin in 1888, is parked on a radial track at the Tacoma roundhouse. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roundhouse

Northern Pacific steam locomotive 4024 at Tacoma, Washington, on May 29, 1934. Number 4024, a class Z-3 built by Alco-Brooks in 1920, is parked near the roundhouse after release from the shops. She entered the shops on 1/20/1934. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 4024 at the engine facility at Tacoma, Washington, on May 29, 1934. Number 4024 is a class Z-3 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 4019 post-shopping break-in run at Tacoma, Washington, May 29, 1937. Number 4019 is a class Z-3 built by Alco-Brooks in 1917. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 4017 at Tacoma, Washington, fresh out of the South Tacoma shops on August 29, 1934. Number 4017 is a class Z-3 built by Alco-Brooks in 1917 J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 4016 at Tacoma, Washington, on February 29, 1944. Number 4016 is a class Z-3 built by Alco-Brooks in 1917. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 4013 running light to Auburn at Tacoma, Washington, on March 19, 1936. Number 4013 is a class Z-3 built by Alco-Schenectady in 1913. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 4011 at Tacoma, Washington, on March 25, 1935. Number 4011, a class Z-3 built by Alco-Schenectady in 1913, is parked at the Tacoma roundhouse after release from the shops. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo