Northern Pacific 57.25-foot, 3-bay, covered hopper car number 76440 in a yard at Pasco, Washington, on October 20, 1986. The car is part of the 76400-76499 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 49.5-foot, 3-bay, covered hopper car number 76764 in a train at Pasco, Washington, on June 23, 1983. The car is part of the 76700-76999 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 49.5-foot, 3-bay, covered hopper car number 76820 in a yard at Pasco, Washington, on February 14, 1981. The car is part of the 76700-76999 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific maintenance-of-way flat car 203311 with boon and shovel load at Pasco, Washington, on February 14, 1981. Other subject classes: frieght car, flat car, maintenance-of-way

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

A view of the Northern Pacific roundhouse at Pasco, Washington. SP&S locomotives were serviced at this facility. From the Oregon Historical Society Collection.

Northern Pacific steam locomotive 1171 at Pasco, Washington, in 1948. Number 1171 is a class G-1 built by Alco-Brooks in 1919. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1171 at Pasco, Washington, on August 15, 1949. Number 1171 is a class G-1 built by Alco-Brooks in 1919. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1171 at Pasco, Washington, on August 15, 1949. Number 1171 is a class G-1 built by Alco-Brooks in 1919. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1174 switching a cut of cars at Pasco, Washington, circa 1950. Number 1174 is a class G-2 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo