pl23_cgs02502.jpg
![Establishing horizontal control point for hydrographic surveying cgs02502.jpg Establishing horizontal control point for hydrographic surveying](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02502.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23cgs02502jpgDescription
Establishing horizontal control point for hydrographic surveying.
Credit
Crew and Officers of the NOAA Ship FAIRWEATHER
Collection
Historic Coast & Geodetic Survey