Northern Pacific Class Z-3 steam locomotive number 4019 clears its cylinder cocks as it starts a freight train in the yard at Auburn, Washington, circa 1928. Photo by J.A. Turner. Other Subject Classes: steam locomotive, freight yard

Northern Pacific Class Z-3 steam locomotive number 4024 leads a westbound freight train toward Stampede Tunnel at Martin, Washington, circa 1925. Photo by J.A. Turner. Other Subject Classes: steam locomotive, freight train

Northern Pacific Class F-1 Consolidation-type steam locomotive number 81, built by Baldwin Locomotive Works in 1888, stands coupled to two 1880s-vintage wooden passenger cars at South Tacoma, Washington, on May 4, 1940. Equipment is being switched to Northwest Railroad History Society lots after donation by the railroad. The cars were used by the group for meetings, locomotive was lost to World War II scrap drive. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger car

A Northern Pacific heavy switch engine pulls open-end gondola cars at an open-pit iron ore mine on the Lake Superior division circa 1920. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, gondola car, open pit mine.

A Northern Pacific freight train on a bridge on the South Bend Branch, Washington. Photo by JM Fredrickson, J.M. Fredrickson collection. Other Subject Classes: freight train.

A Northern Pacific engine, flat car and box car on a bridge on the South Bend Branch, Washington, circa 1894. J.M. Fredrickson collection. Other Subject Classes: freight train.

Northern Pacific steam locomotive at Larson, Washington with train on Silver Beach trestle. Other subject categories: Train-Freight, Locomotive-Steam, W-x, Bridge-Trestle

Northern Pacific steam locomotive 2-6-0 poses with its crew, circa 1888. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotives 120 and 160 parked at a logging camp in western Washington, circa 1915. Number 120 and 160 are class S compound locomotives built by American Locomotive Company at Schenectady, New York in 1900 and 1898 respectively. J.M. Fredrickson collection. Other Subject Classes: steam locomotive

Northern Pacific Class A-1 Northern-type steam locomotive number 2626, followed by Class A number 2601, westbound at Lester, Washington, on December 13, 1955, heading a "Santa Claus special" of cars loaded with Holiday packages. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, mail train, mountains