Colorado & Southern diesel locomotive 877, the trailing unit on Train Number 3, the westbound Fast Mail trailer on flat car (TOFC) of 21 cars at Rochelle, Illinois on December 28, 1972. Number 877 is an SD40 built by Electro Motive Division (EMD), builder's number 33518. BN 6400, an SD45, builder's number 31951, leads. Photo by Howard Patrick.

Builder's photo of Colorado & Wyoming Railway Baldwin 2-8-0 steam locomotive number 3 at the locomotive works in Philadelphia, Pennsylvania, circa 1900. Photo by Baldwin Locomotive Works, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, builder's photo.

Colorado and Southern Railway diesel locomotive 869 and 6309 on a siding in Auburn, Washington on March 15, 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Colorado and Southern Railway diesel locomotive 870 at Auburn, Washington in December 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Colorado and Southern Railway diesel locomotive 874 on a siding in Auburn, Washington on February 17, 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Colorado and Southern Railway diesel locomotive 890 on July 18, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Colorado and Southern Railway diesel locomotive 902 on a siding in Auburn, Washington in December 1974. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Colorado and Southern Railway diesel locomotive 908 on a train in Auburn, Washington on April 17, 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Colorado and Southern Railway diesel locomotive 910 connected to Burlington Northern 6919 at Auburn, Washington on August 03, 1972. The Auburn turntable and roundhouse are visible in the background. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive