Virginia & Truckee Railroad Baldwin 4-6-0 steam locomotive number 27 (built in 1913) awaits restoration by the Nevada State Railroad Museum at Carson City, Nevada, in December 1973. Photo by Tim J. Fredrickson, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, display.

Unidentified 4-4-0 steam locomotive number 67 with "Eastern" marking on the tender at a depot platform, circa 1890. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, passenger train.

Unknown steam locomotive number 14 a 2-8-0 steam locomotive, on static display at Custer, South Dakota on September 1, 1972. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, display.

Unknown Shay steam locomotive, circa 1946. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive

Unknown Climax steam locomotive with log train, circa 1930. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive, railroad crew.

United States Navy 0-4-0T steam locomotive number 6992 parked at Pasco, Washington, on September 24, 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, switching locomotive.

Union Pacific Railroad steam locomotive number 9039, undated. UP 9039, a 4-12-2 on a freight at track speed. Photo by Marge Wilson, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, freight train.

Union Pacific Railroad steam locomotive number 7869 at Tacoma, Washington on February 10, 1936. UP 7869 with a passenger train at Tacoma in 1936. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train.

Union Pacific Railroad steam locomotive number 7868 at Tacoma, Washington on January 22, 1936. UP 7868 with a passenger train at Tacoma in 1936. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train.