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

Burlington Northern yard office and tower at Tacoma, Washington, on August 12, 1999. This former Northern Pacific structure is in the 2nd subdivision of the Tacoma division. Photo by GJ Werkema. Other subject classes: Structure, Yard Office, Tower

Burlington Northern yard office and tower at Tacoma, Washington, on August 12, 1999. This former Northern Pacific structure is in the 2nd subdivision of the Tacoma division. Photo by GJ Werkema. Other subject classes: Structure, Yard Office, Tower

Burlington Northern yard office and tower at Tacoma, Washington, on April 8, 1988. This former Northern Pacific structure is in the 2nd subdivision of the Tacoma division. Photo by GJ Werkema. Other subject classes: Structure, Yard Office, Tower.

Burlington Northern yard office and tower at Tacoma, Washington, on April 8, 1988. This former Northern Pacific structure is in the 2nd subdivision of the Tacoma division. Photo by GJ Werkema. Other subject classes: Structure, Yard Office, Tower.