Local Aeronautical Chart, Triangulation Diagram – King County, Washington

This triangulation diagram of King County, Washington was prepared for the U.S. Department of Commerce Coast and Geodetic Survey in May, 1953. The surveys provide depth readings and notes on important coastal characteristics of the area mapped. The names of harbors, rivers, islands, light houses, channels, shoals, capes, inlets, and coastal towns are identified on the map.

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