Northern Pacific 1354 on display in Volunteer Park in Pasco, Washington on October 22, 1986. Northern Pacific 1354, an S4 class locomotive built by Baldwin Locomotive Works in 1902. Photo by GJ Werkema. Other subject classes: steam locomotive, S-4

Northern Pacific 1354 on display in Volunteer Park in Pasco, Washington on October 22, 1986. Northern Pacific 1354, an S4 class locomotive built by Baldwin Locomotive Works in 1902. Photo by GJ Werkema. Other subject classes: steam locomotive, S-4

Hump engine, Northern Pacific 119, and slug ET-1, formerly Northern Pacific 652 before modification, wait near the classification yard at Pasco, Washington, on September 9, 1970. "ET" refers to "Electric Trailer." NP 119 is a General Motors Electromotive Division type SW1200 diesel switcher built in 1955. Other subject classes: diesel locomotive, NP ET-1, SW1200

Great Northern Woodchip Car 174337 at Pasco, Washington, September 5, 1990, Association of American Railroads Class GTS wood chip, Big Sky Blue paint scheme. Other subject classes: Woodchip car

Great Northern Woodchip Car 174237 at Pasco, Washington, June 23, 1983, Association of American Railroads Class GTS wood chip, Big Sky Blue paint scheme. Other subject classes: Woodchip car

Great Northern Woodchip Car 174216 at Pasco, Washington, June 23, 1983, Association of American Railroads Class GTS wood chip, Big Sky Blue paint scheme. Other subject classes: Woodchip car

Great Northern Woodchip Car 174179 at Pasco, Washington, February 14, 1981, Association of American Railroads Class GTS wood chip. Other subject classes: Woodchip car

Great Northern Woodchip Car 174172 at Pasco, Washington, June 23, 1983, Association of American Railroads Class GTS wood chip. Other subject classes: Woodchip car

Great Northern Woodchip Car 174001 at Pasco, Washington, June 23, 1983, Association of American Railroads Class GTS wood chip. Other subject classes: Woodchip car

Great Northern Sand Car X2975 at Pasco, Washington, June 28, 1984. Other subject classes: Sand car