Union Pacific Railroad passenger train at Kelso, Washington, undated. Union Pacific 950 leads Union Pacific train 457 at a station stop in Kelso. Jack Flagg photo, J.M. Fredrickson collection. Other Subject Classes: passenger train, diesel Locomotive.

Union Pacific Railroad passenger car number 994 at Tacoma, Washington, undated. Parlor car, UP 994, at Tacoma. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: passenger car.

Union Pacific Railroad passenger car number 879 at Tacoma, Washington, in 1935. Coach, UP 879, at Tacoma Union Station in 1935. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: passenger car.

Union Pacific Railroad passenger car number 867 at Tacoma, Washington, in 1935. Coach, UP 867, at Tacoma Union Station in 1935. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: passenger car.

Union Pacific Railroad passenger car number 366, undated. UP passenger car 366. Photo by J.M. Fredrickson. Other Subject Classes: passenger car.

Union Pacific Railroad gas-turbine number 28 at Grand Island, Nebraska, undated. UP 28, a gas turbine, parked at Grand Island. Photo by J.M. Fredrickson. Other Subject Classes: gas-turbine.

Union Pacific Railroad diesel locomotive number M10002 at Tacoma, Washington on April 12, 1942. UP Streamliner M10002 arriving at Tacoma Union Station in 1942. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Union Pacific Railroad diesel locomotive number M10002 at Tacoma, Washington on April 12, 1942. UP Streamliner M10002 makes a station stop at Tacoma Union Station in 1942 with the Portland to Seattle connection to the City of Portland. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Union Pacific Railroad diesel locomotive number M10002 at Tacoma, Washington on April 12, 1942. Rear of streamliner UP M10002 leaving Tacoma Union Station in 1942. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Union Pacific Railroad diesel locomotive number M10002 at Tacoma, Washington on April 12, 1942. The front end of streamliner UP M10002 with train no. 405 at Tacoma Union Station in 1942. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.