Diesel locomotive UP 2061, Class GP38-2 on the Camas Prairie Railroad at Lewiston, Idaho, November 28, 1995. Other Subject Classes: Locomotive-Diesel

Diesel locomotive UP 2061, Class GP38-2 on the Camas Prairie Railroad at Lewiston, Idaho, November 28, 1995. Other Subject Classes: Locomotive-Diesel

Diesel locomotive UP 2061, Class GP38-2 on the Camas Prairie Railroad at Lewiston, Idaho, November 28, 1995. Other Subject Classes: Locomotive-Diesel

Union Pacific Railroad diesel locomotive number 2056 at Nampa, idaho, in 1986. UP 2056 and 2050 stopped at Nampa in 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Union Pacific Railroad diesel locomotive number 2050 at Nampa, idaho, in 1986. UP 2050 stopped at Nampa in 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Union Pacific Railroad diesel locomotive number 1246 at Nampa, idaho, in 1971. UP switcher 1246 parked at Nampa in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive.

The crew pose with an unidentified two-truck, Climax steam locomotive number 1, circa 1925, at Wieser, Idaho. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, logging locomotive, railroad crew

St. Maries River Railroad EMD SW1200 diesel locomotives number 502 and 501 haul a train of empty log cars along the Saint Joe River near Avery, Idaho, in August 1981. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , log car.

St. Maries River Railroad Electro-Motive Division (EMD) SW1200 diesel locomotives number 501 and 502 haul a train of loaded log cars by the St. Joe River near Avery, Idaho, in July 1981. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, log train

St. Maries River Railroad Electro-Motive Division (EMD) SW1200 diesel locomotives number 501 and 502 haul a train of loaded log cars by the St. Joe River near Avery, Idaho, in July 1981. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, log train