Although titled "Track of U.S. Coast Survey Schooner Ewing", this is a preliminary version of the chart of the Mouth of the Columbia River. See image cgs05081.
Image ID: cgs05099, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: Oregon, Cape Hancock Photo Date: 1851 Credit: NARA C&GS Colllection Category: Coast and Geodetic Survey/Archive Nautical Chart/ • High Resolution Photo Available
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