pl23_theb4123.jpg
![Graphic illustrating the density of sounding data obtained with single-beamacoustic sounding technology theb4123.jpg Graphic illustrating the density of sounding data obtained with single-beamacoustic sounding technology](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb4123.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23theb4123jpg-0Description
Graphic illustrating the density of sounding data obtained with single-beamacoustic sounding technology.
Collection
Historic Coast & Geodetic Survey