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

Northern Pacific Class Z-3 steam locomotive number 4014 awaits its next assignment at Easton, Washington, circa 1928. Photo by J.A. Turner. Other Subject Classes: steam locomotive, locomotive facility

Northern Pacific Class Z-3 steam locomotive number 4009 moves forward to connect as a helper for a westbound freight train over Stampede Pass at Easton, Washington, circa 1928. Photo by J.A. Turner. Other Subject Classes: steam locomotive,

Northern Pacific steam locomotive 5141 at Easton, Washington, in 1944. Number 5141 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5138 at Easton, Washington, in 1944. Number 5138, a class Z-8 built by Alco-Schenectady in 1943, is at the Easton coal dock. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo, coal dock

Northern Pacific steam locomotive 5138 at Easton, Washington, in 1944. Number 5138, a class Z-8 built by Alco-Schenectady in 1943, turns on the wye at Easton. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5137 waits for its next eastbound train at Easton, Washington, circa 1944. Number 5137 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5120 at Easton, Washington, in April 1944. Number 5120, a class Z-6 built by Alco-Schenectady in 1937, waits for its next eastbound train at Easton. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5116 at Easton, Washington, in 1944. Number 5116 is a class Z-6 built by Alco-Schenectady in 1937. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific 5114 prepares to leave Easton, Washington, with an extra freight east in May 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.