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 grade crossing at McKenna, Washington, circa 1927. Joint facilities photo of road crossing with mainline, cattle guards, wig-wag signal. Photo by James Fisher, J.M. Fredrickson collection.. Other Subject Classes: grade crossing, track, signal

Northern Pacific freight yard at Arlington, Washington looking south E 3rd Street at north end of yard; coaling tower on left in distance; main track third from right; box car on the spur for Washington Co-op Farmers Association and Murphy Feed & Seed Company. Other subject categories: Yard-Freight, Industrial Buildings, Structure, Coal Tower

Northern Pacific freight yard at Stacy Street in Seattle, Washington, circa 1925. The Sears building is at right, the Smith Tower at far left. Photo by J.A. Turner. Other Subject Classes: freight yard, steam locomotive

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

Northern Pacific freight yard at Auburn, Washington, on August 10, 1967. Looking north in yard, switch tender sitting during lull. Photo by J.M. Fredrickson. Other Subject Classes: railroad yard, railroad employee

Northern Pacific freight yard at Auburn, Washington, on August 10, 1967. Looking north at freight trains meeting. Photo by J.M. Fredrickson. Other Subject Classes: railroad yard, freight train