Reconnaissance survey of the West Coast, Point Conception to San Francisco.
Surveyed under the direction of Lt. Cmdg. James Alden, 1851.
Hydrographic Survey H-290
Image ID: theb1093, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
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of the U.S. Department of Commerce, National Oceanic & Atmospheric
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November 10, 2017