Northern Pacific Pile Driver 12 works on a trestle along the shore of Lake Whatcom near Bellingham, Washington, circa 1910. Note the four wheel caboose on the train. J.M. Fredrickson collection. Other Subject Classes: Pile Driver, steam locomotive, work outfit car.

The rear helper engine on an extra freight west between Easton and Martin, Washington, circa 1917. Photo by Ralph Parsons, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, freight train, snow and ice.

A class Z-3 locomotive enters the cut at Tunnel 2, east of Martin, Washington, circa 1917. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, freight train.

A train crew member walks the top of a train between Easton and Martin, Washington, circa 1917. Note helper locomotive pushing behind the caboose. Photo by Ralph Parsons, J.M. Fredrickson collection. Other Subject Classes: freight train, steam locomotive, railroad crew.

Northern Pacific 4025, a class Z-3, on the Milwaukee mainline bridge over the Clark Fork River at Saint Regis, Montana, on May 28, 1952. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, truss bridge.

Northern Pacific steam locomotive number 1776 pauses at South Tacoma, Washington, on December 8, 1957. Built by the American Locomotive Company in 1917, the engine is heading a Casey Jones Excursions special from Seattle to Centralia and return, the last steam locomotive to run on the Tacoma Division of the Northern Pacific. Passengers and onlookers watch as the engineer inspects the running gear. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train, railroad crew, people

Northern Pacific doubleheaded steam locomotives leads a passenger train for a station stop at New Stampede, Washington, circa 1925. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

Northern Pacific Class W-3 Mikado-type steam locomotive number 1766 leads troop train Passenger Extra 1766 East across Pacific Avenue in Tacoma, Washington, circa 1945. Mrs. F. D. Crane is crossing. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, troop train, railroad crew

Northern Pacific steam locomotive is shown with a work train at Tacoma, Washington, in 1889. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, work train, railroad crew