Chicago Milwaukee St. Paul and Pacific Railroad passenger train at Maple Valley, Washington, circa 1939. Eastbound ski train of coaches led by Mikado-type steam locomotive en route to Milwaukee Ski Bowl/Hyak at station, train order signal in snow. Photo by Harold Hill. Other Subject Classes: passenger cars, steam locomotives, railroad stations, railroad signaling.

Chicago Milwaukee St. Paul and Pacific Railroad steam locomotive number 51 at Renton, Washington, circa 1947. Front left of 2-6-6-2 Mallet-type steam locomotive heading westbound freight train meeting caboose and work train cars on shared Pacific Coast/Chicago Milwaukee St. Paul and Pacific Railroad mainline east of Renton. Photo by Harold Hill. Other Subject Classes: steam locomotives, maintenance and repair cars, cabooses, railroad mainline.

Chicago, Aurora & DeKalb Railroad steam locomotive number 1, with crew and stock car, circa 1900. Phot from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, stock car.

Chicago, Burlington & Quincy steam locomotive 5631 at Sheridan, Wyoming, on September 01, 1972. This class O-5 4-8-4 is on display in a downtown Sheridan park. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, display.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 1168, undated. Milwaukee Road Road 1168, a 4-6-0, connected to a passenger train at a station. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 1277 at Elbe, Washington, in 1941. Milwaukee Road Road 1277, a 2-8-0, leads a Milwaukee Road Road rail fan special on the Tacoma Eastern in 1941. Photo by Emery Roberts, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 1277, in 1941. Milwaukee Road Road 1277, a 2-8-0, leads a Milwaukee Road Road rail fan special on the Tacoma Eastern in 1941. Photo by Emery Roberts, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 1277, in 1941. A view from the observation car of Milwaukee Road Road 1277, a 2-8-0, leading a Milwaukee Road Road rail fan special on the Tacoma Eastern in 1941. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 1514, circa 1930. Milwaukee Road Road 1514, a 0-6-0, in an engine terminal. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, locomotive facility.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 251 at St. Maries, Idaho, circa 1953. Milwaukee Road Road 251 leads train No. 18 near St. Maries circa 1953. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.