"San Francisco to Pt. Descanso Bathymetric Chart." This was the
very first bathymetric map produced solely from acoustic soundings.
Image ID: map00244, Voyage To Inner Space - Exploring the Seas With NOAA Collect
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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July 7, 2015