Spokane, Portland and Seattle steel coach Number 274 at Pasco, Washington on August 17, 1949. Photo by W.C. Whittaker.

Spokane, Portland and Seattle steel coach Number 274 at Pasco, Washington on August 17, 1949. Photo by W.C. Whittaker.

Spokane, Portland and Seattle combination Railway Post Office (RPO) mail and baggage car Number 31 at Pasco, Washington in June 1968.

Spokane, Portland and Seattle combination Railway Post Office (RPO) mail and baggage car Number 31 at Pasco, Washington in June 1968.

Northern Pacific Baggage Car Number 1634, at Pasco, Washington, June 1968.

Great Northern Railway Passenger Car 1326, Vista Great Dome Car at Pasco, Washington in 1973. Big Sky Blue color scheme. Other subject classes: Dome Coach, Passenger car

Great Northern Railway Passenger Car 1243, ranch Car at Pasco, Washington in 1972. Big Sky Blue color scheme. Other subject classes: Diner, Passenger car

Great Northern Railway Passenger Car 1224, coach at Pasco, Washington in 1972. Orange color scheme. Other subject classes: Coach, Passenger car

Great Northern Railway Passenger Car 1152, at Pasco, Washington in 1973. Big Sky Blue color scheme. Other subject classes: Diner, Passenger car

Great Northern Railway Passenger Car 1138, coach at Pasco, Washington in 1972. Big Sky Blue color scheme. Other subject classes: Coach, Passenger car