Chicago & North Western Railway diesel locomotive 5504 at Proviso, Illinois on July 26, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Chicago and Northeastern Railroad steam locomotive number 1 at Chicago, Illinois, circa 1910. Chicago & North Eastern 1, formerly Northern Pacific number 885 class C-13, 4-4-0, built by Portland, 1881. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster shot

Chicago Northwestern GP9 diesel locomotive number 4324 with a commuter car at Chicago, Illinois, on May 2, 1989. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train, commuter train

Chicago Rail Link Electro-Motive Division (EMD) GP7 diesel locomotive number 4 (built in 1952 for the Pennsylvania) at Chicago, Illinois, on July 25, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Chicago Transit Authority elevated streetcar stops at a station for waiting passengers which include Jim Fredrickson's scout troop at Chicago, Illinois on July 13, 1964. Photo by J.M. Fredrickson. Other Subject Classes: streetcar

Two Chicago Transit Authority elevated trains pictured from the platform level in Chicago, Illinois on July 13, 1964. Photo by J.M. Fredrickson. Other Subject Classes: streetcar

Chicago Transit Authority elevated streetcar approaching a station platform on the "A LAKE" line at Chicago, Illinois in 1964. Photo by J.M. Fredrickson. Other Subject Classes: streetcar

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 and Quincy Railroad diesel locomotive 887 at Galesburg, Illinois, on August 29, 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Chicago, Burlington and Quincy Railroad  diesel locomotive 109 at rest on a yard track in West Havana, Illinois, circa 1955. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive