Ex-Burlington Northern Electro-Motive Division (EMD) F45 diesel locomotive number 6627 at Portland, Oregon, circa 1980. Repainted in Southern Pacific colors, and renumbered 743 under Doyle McCormack's ownership, parked outside the Brooklyn roundhouse. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Duluth, Missabe and Iron Range Railway steam locomotive 401 a passenger train at St. Louis County Depot in Duluth, Minnesota on April 27, 1950. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Duluth, Missabe and Iron Range Railway steam locomotive 401 leads a passenger train on April 27, 1950. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Duluth, Missabe and Iron Range Railway steam locomotive 401 with a passenger car on April 27, 1950. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Duluth, Mississippi River & Northern Railroad Steam Locomotive Number 9, Old Class 27B, 1898.

Diesel locomotive DWP 5906, Class SD40 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Dupont narrow-gauge diesel locomotive number 1 at DuPont, Washington, on April 22, 1975, now preserved at the DuPont Historical Society museum. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive .

Dupont narrow-gauge diesel locomotive number 1 at Dupont, Washington, on April 22, 1975, now preserved at the Dupont Historical Society museum. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive .

An Eagle Gorge Logging Company three-truck geared Climax steam locomotive hauls loaded log cars on a trestle near Eagle Gorge, Washington in 1949. Photo by Vormsberg, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive , trestle bridge.