Colorado and Southern Railway steam locomotive 649 builder's photo at Philadelphia, Pennsylvania in 1906. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, builder's photo

Colorado and Southern Railway steam locomotive 373 builder's photo at Philadelphia, Pennsylvania in 1922. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, builder's photo

Colorado and Southern Railway steam locomotive 330 builder's photo at Philadelphia, Pennsylvania in 1903. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, builder's photo

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.

Builder's photo of Butte Anaconda & Pacific Railway steam locomotive number 20, a Baldwin 4-6-0 at Philadelphia, Pennsylvania, circa 1912. Photo by Baldwin Locomotive Works, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, builder's photo.

A builder's photo of Alaska Railroad steam locomotive 901 at Philadelphia, Pennsylvania in September 1976. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive