Operating portable 808 Fathometer recording system on survey launch.
Human recorder is entering depths as called out by fathometer operator and also
records navigational information called out by left and right anglemen not seen
Image ID: cgs00611, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1950 ca.
Credit: NOAA Central Library Historical Imagery
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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April 30, 2013