Seattle's Coal Legacy

By 1908, Puget Sound was the third-largest coal port, after New York and Baltimore. For Seattle, the major coal mines were in Issaquah, New Castle, Renton, and Black Diamond, with many other smaller mines throughout King County. Until the petroleum revolution, Seattle exported most of its coal to San Francisco. Because of coal, Seattle became a center for skilled engineers, machinists, and miners for the maritime, manufactu...