Nautical chart of Seattle Harbor showing growth of Seattle to Lake Union with the annotation on Lake Union, " 11.75 ft. above H.W. mark of Duwamish Bay."
Image ID: cgs05468, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: Washington, Seattle Photo Date: 1889 Category: Coast and Geodetic Survey/Archive Nautical Chart/ • High Resolution Photo Available
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