Northern Pacific Terminal 30 prepares to leave with coach es 627 and 634 while Northern Pacific 1070 waits in the engine house on the Lake Whatcom Railway at Wickersham, Washington, on October 18, 2008. Northern Pacific Terminal 30 is an American Locomotive Company model S-1 in 1940. Northern Pacific 1070, a class L-9 0-6-0 switcher, built by American Locomotive Company in 1907. Photo by GJ Werkema. Other subject classes: steam locomotive, switcher locomotive, L-9

Northern Pacific troop train, Passenger Extra 1823 East, at Allentown, Washington, in 1946. Class W-3 Mikado-type steam locomotive number 1823, leads Pullman troop sleepers and standard sleeping cars. Photo by J.M. Fredrickson. Other Subject Classes: troop train, steam locomotive, passenger car

Northern Pacific troop train, Passenger Extra 1823 East, at Allentown, Washington, in 1946. Class W-3 Mikado-type steam locomotive number 1823, leads Pullman troop sleepers and standard sleeping cars. Photo by J.M. Fredrickson. Other Subject Classes: troop train, steam locomotive, passenger car

Northern Pacific troop train, Passenger Extra 2602 West, at Covington, Washington, on August 8, 1950. Class A Northern-type steam locomotive number 2602 leads Pullman sleeping cars and army kitchen car beneath road bridge. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, steam locomotive, passenger car

Northern Pacific troop train, Passenger Extra 2602 West, at Covington, Washington, on August 8, 1950. Class A Northern-type steam locomotive number 2602 leads Pullman sleeping cars and army kitchen car beneath road bridge. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, steam locomotive, passenger car

Northern Pacific troop train, Passenger Extra 2608 West, departs Tacoma, Washington, circa 1950. Class A Northern-type steam locomotive number 2608 leads express box cars and Pullman sleeping cars off the drawbridge line through the Tacoma tideflats. Photo by J.M. Fredrickson. Other Subject Classes: troop train, steam locomotive, freight car, passenger car, railroad yard

Northern Pacific troop train, Passenger Extra 2608 West, departs Tacoma, Washington, circa 1950. Class A Northern-type steam locomotive number 2608 leads express box cars and Pullman sleeping cars off the drawbridge line through the Tacoma tideflats. Photo by J.M. Fredrickson. Other Subject Classes: troop train, steam locomotive, freight car, passenger car, railroad yard

Northern Pacific troop train, Passenger Extra 1706 East, at Tacoma, Washington, in 1953. Class W-3 Mikado-type steam locomotive number 1706 leads Pullman sleeping cars and army kitchen cars across Pacific Avenue en route to Fort Lewis. Photo by J.M. Fredrickson. Other Subject Classes: troop train, steam locomotive, passenger car

Northern Pacific troop train, Passenger Extra 1706 East, at Tacoma, Washington, in 1953. Class W-3 Mikado-type steam locomotive number 1706 leads Pullman sleeping cars and army kitchen cars across Pacific Avenue en route to Fort Lewis. Photo by J.M. Fredrickson. Other Subject Classes: troop train, steam locomotive, passenger car

On board Northern Pacific diesel locomotive assisting troop train Passenger Extra 2601 West near Easton, Washington, circa 1945. Looking back from cab at diesel units, Class A Northern-type steam locomotive number 2601, eight passenger cars. Photo by J.M. Fredrickson. Other Subject Classes: troop train, diesel locomotive, steam locomotive, passenger car, mountains