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 71, an 2-8-0 locomotive, circa 1932. J.M. Fredrickson collection. Other Subject Classes: steam locomotive

Builder's photo of Colorado Midland steam locomotive number 23, built for passenger service at Schenectady Locomotive Works in Schenectady, New York, in 1887. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, builder's photo

Columbia & Puget Sound Railroad steam locomotive AA Denny, a narrow-gauge 0-6-4, parked at Seattle, Washington, circa 1890. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive.

Columbia & Puget Sound Railroad steam locomotive number 10 at Seattle, Washington, circa 1890. C&PS 10 4-4-0 and crew near roundhouse, Seattle. Other Subject Classes: steam locomotive, railroad crew.

Columbia & Puget Sound Railroad Baldwin 2-8-0 steam locomotive number 12 leaving the station at Seattle, Washington, circa 1900. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, passenger train.

Columbia & Puget Sound Railroad Baldwin 2-8-0 steam locomotive number 7 parked at Seattle, Washington, circa 1900. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, railroad crew.

Columbia & Puget Sound Railroad Baldwin 2-8-0 steam locomotive number 7 parked at Seattle, Washington, circa 1900. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, railroad crew.

Six Columbia & Puget Sound Railroad steam locomotives parked along Railroad Avenue (later Alaskan Way) in Seattle, Washington, circa 1900. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, spectators

Columbia & Puget Sound Railroad Baldwin 2-8-0 steam locomotives number 8 and 9 line up at Seattle, Washington, circa 1900. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, railroad crew.