Northern Pacific freight yard at Tacoma, Washington, circa 1920. View from Milwaukee Road bridge looking north at diverging drawbridge and Head-of-Bay lines, with semaphore signals, Seattle-Tacoma Interurban trestle in distance. J.M. Fredrickson collection.. Other Subject Classes: railroad yard, signal, bridge

Northern Pacific mainline at Tacoma, Washington, in May 1928. Joint facilities photo looking north on waterfront at mainline track, coal bunker, flour mill, warehouse. Photo by James Fisher, J.M. Fredrickson collection. Other Subject Classes: track, coal bunker, mill

Northern Pacific mainline at Tacoma, Washington, in May 1928. Joint facilities photo looking south on waterfront at mainline track, flour mill, boxcars awaiting loading. Photo by James Fisher, J.M. Fredrickson collection.. Other Subject Classes: track, mill, freight car

Northern Pacific Half-Moon yard at Tacoma, Washington, circa 1889. Looking south across yard with lines of freight cars, General Office building on hill, Commencement Bay tideflats in distance. J.M. Fredrickson collection. Other Subject Classes: railroad yard, freight car, office building, harbor

Northern Pacific Half-Moon yard at Tacoma, Washington, circa 1880. Looking south across NP track yet to be filled in, Commencement Bay tideflats in distance. J.M. Fredrickson collection. Other Subject Classes: railroad yard, harbor

Northern Pacific Half Moon yard at Tacoma, Washington, in September 1965. Looking north at yard, mainline, freight cars, wharves, distant overpass. Photo by J.M. Fredrickson . Other Subject Classes: railroad yard, track, freight car, wharf, bridge

Northern Pacific freight yard on waterfront at Tacoma, Washington, circa 1935. Yard track with freight and outfit cars, warehouses, pile driver. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: railroad yard, freight car, outfit car, warehouse, pile driver

Northern Pacific freight yard on waterfront at Tacoma, Washington, circa 1925. Joint Facilities view of yard on filled-in former dock area, standing freight cars. Photo by James Fisher, J.M. Fredrickson collection. Other Subject Classes: railroad yard, freight car

Northern Pacific freight yard at Tacoma, Washington, circa 1920. East end of yard with semaphore signals, Seattle-Tacoma Interurban trestle in distance. J.M. Fredrickson collection.. Other Subject Classes: railroad yard, signal, bridge

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