Union Pacific safety instruction car 201 at business car track at Portland Union Station in 1965. Photograph by Alden Raney. Other subject classes: Car-Safety Instruction.

Northern Pacific 41.5-foot, open hopper car number 87077 in a yard at Amarillo, Texas, on October 12, 1976. The car is part of the 87000-87499 number series. Photo by GJ Werkema. Other subject classes: frieght car, open hopper car, Rodgers Ballast car

State of Oregon scale test car W.O.2 at Bellingham, Washington. State of Oregon scale test car, photograph taken in or near the Great Northern yard. Other subject categories: Car-Scale Test, Non-revenue

SP&S track laying crew on the temporary bridge over the White Salmon River, undated.

SP&S crane and work train on the Box Canyon trestle at Milepost 270.0, undated.

SP&S crane and work train on the Box Canyon trestle at Milepost 270.0, undated.

SP&S crane and work train on the Box Canyon trestle at Milepost 270.0, undated.

SP&S crane and work train on the Box Canyon trestle at Milepost 270.0, undated.

SP&S crane and work train on the Box Canyon trestle at Milepost 270.0, undated.