Columbia and Puget Sound Railroad steam locomotive number 9 at Seattle, Washington, circa 1890. Right side of Consolidation-type steam locomotive, crew, and officials near roundhouse, trestle to King Street coal bunkers in background. Other Subject Classes: steam locomotives, railroad employees, railroad bridges.

Columbia and Puget Sound Railroad steam locomotive number 9 at Seattle, Washington, circa 1910. Front right side of American Standard-type steam locomotive, engine crew, train conductor, officials, standing on waterfront near station. Other Subject Classes: steam locomotives, railroad employees.

Columbia and Puget Sound Railroad steam locomotives at Seattle, Washington, circa 1890. Narrow gauge Consolidation-type steam locomotives number 8 and 7, built by Baldwin Locomotive Works 1882, pose with other locomotives on mainline along tideflats during unknown celebration, engine crews. Other Subject Classes: steam locomotives, railroad employees, railroad mainline.

Columbia and Puget Sound Railroad steam locomotives at Seattle, Washington, circa 1890. Narrow gauge Consolidation-type steam locomotives number 8 and 7, built by Baldwin Locomotive Works 1882, pose with other locomotives in yards near roundhouse during unknown celebrations, engine crews and officials. Other Subject Classes: steam locomotives, railroad employees, railroad yards.

Builder's photo of Columbia River Belt Line steam locomotive Skookum at Philadelphia, Pennsylvania, in 1910. Articulated locomotive Skookum at Baldwin factory after conversion to oil and sale to the Columbia River Belt Line. Photo by Baldwin Locomotive Works, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive.

Connecticut Valley Railroad steam locomotive 103 on display at Essex, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Copper River & Northwestern Railway steam locomotive number 20, parked at the railway's terminal in Katalla, Alaska circa 1938. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive.

Cowichan Valley number 1, a Shay class steam locomotive at the British Columbia Forest Discovery Centre in Duncan, British Columbia, in 1990. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Cowlitz, Chehalis & Cascade Railway steam locomotive number 1110 crossing the high bridge over the Cowlitz River near Mayfield, Washington in 1955. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, timber bridge.

Cowlitz, Chehalis & Cascade Railway steam locomotive number 1110 with a freight train crossing the high bridge over the Cowlitz River near Mayfield, Washington in 1955. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train, timber bridge.