Columbia and Puget Sound Railroad yard at Seattle, Washington, circa 1912. Looking down at freight yard and tracks serving wharves, box cars standing. Photo by Frank Howell. Other Subject Classes: railroad yards, railroad mainline, freight cars, miscellanea.

Columbia and Puget Sound Railroad/Chicago Milwaukee and Puget Sound mainline at Indian, Washington, in November 1911. Washed-out track, workers, and repair train with pile driver. Other Subject Classes: railroad mainline, railroad maintenance and repair, railroad employees.

CSX Transportation yard tower at Baldwin, Florida, on July 29, 1987. Photo by J.M. Fredrickson. Other Subject Classes: building

Construction of new tracks on the Curtis Millburn & Eastern by Weyerhauser to accommodate the exporting of logs from the Port of Tacoma in September, 1975. Photo by J.M. Fredrickson. Other Subject Classes: track, maintenance of way.

Construction of new tracks on the Curtis Millburn & Eastern by Weyerhauser to accommodate exporting of logs from the Port of Tacoma in September, 1975. Photo by J.M. Fredrickson. Other Subject Classes: track, maintenance of way.

Denver & Rio Grande Western Railroad switch at Castle Crag, Utah, circa 1890. J.M. Fredrickson collection. Other Subject Classes: switch, track

News story of Northern Pacific switchback at Stampede Pass, Washington Territory, in 1887. Description of switchback operation, diagram. J.M. Fredrickson collection.. Other Subject Classes: switchback

Lithograph of Northern Pacific freight train at Stampede Pass, Washington Territory, in 1887. "Tacoma Guide" drawing of train with two Decapod-type steam locomotives at horseshoe curve on switchback. J.M. Fredrickson collection.. Other Subject Classes: freight train, freight car, steam locomotive, switchback, track, mountains

Lithograph of Northern Pacific passenger trains at Stampede Pass, Washington Territory, in 1887. "Tacoma Guide" drawing of trains with Decapod-type steam locomotives on trestles, five levels of switchback. J.M. Fredrickson collection.. Other Subject Classes: passenger train, passenger car, steam locomotive, switchback, track, mountains

Eagle Gorge Logging Company junction at Eagle Gorge, Washington, in 1949, showing the switch off the Northern Pacific Stampede mainline. Photo by Vormsberg, J.M. Fredrickson Collection. Other Subject Classes: junction, truss bridge.