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Pacific Coastal Coal Company

Built in 1927, this towering wooden frame skeleton was a combination office and shop for the Pacific Coastal Coal Company’s new (at the time) Black Diamond mine, with a powerhouse located in the east end of the building. In 1948, King County purchased this for use as shop for road crews. The building can be difficult to see, as it is located behind several dirt piles, and set back on the south side of the road.