Union Pacific Railroad accident at Pioneer Pit, Washington, on April 19, 1972. Documentation of a Union Pacific Railroad derailment. Pictures show scenes of pit facility and rail cars involved. Southern Pacific number 8883 is passing the scene with a freight train. Photo by J.M. Fredrickson. Other Subject Classes: accident, diesel locomotive.

Union Pacific Railroad accident at Pioneer Pit between Tacoma and Steilacoom, Washington, on April 19, 1972. The series of photos show scenes of the gravel pit facility and rail cars involved. Photo by J.M. Fredrickson. Other Subject Classes: accident.

Union Pacific Railroad accident at Pioneer Pit between Tacoma and Steilacoom, Washington, on April 19, 1972. The series of photos show scenes of the gravel pit facility and rail cars involved. Photo by J.M. Fredrickson. Other Subject Classes: accident.

Union Pacific Railroad accident at Pioneer Pit between Tacoma and Steilacoom, Washington, on April 19, 1972. The series of photos show scenes of the gravel pit facility and rail cars involved. Photo by J.M. Fredrickson. Other Subject Classes: accident.

Unidentified three-truck Shay steam locomotive, circa 1945, likely in western Washington. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, logging locomotive.

Unidentified Shay steam locomotive, circa 1945, at an unknown location. Photo by Herman Hunt, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive.

Unidentified 2-4-2T steam locomotive, with its crew, circa 1925, in western Washington. Photo by Max King, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive, railroad crew

Unidentified 0-4-0T steam locomotive with a water tank mounted on a four-wheel flatcar, circa 1910, likely in western Washington. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, flatcar.

Unidentified steam locomotive crosses a bridge with a log train, likely a short line in western Washington, circa 1910. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive, bridge.

Unidentified Porter 0-4-0T steam locomotive number 7, parked, out of service, at an unknown location, circa 1950. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive.