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![Erecting visual hydrographic signal cgs02742.jpg Erecting visual hydrographic signal](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02742.jpg?itok=pFqNSMdR)
Description
Erecting visual hydrographic signal. Operations of ESSA Ship PATTON. (Image credit: Dan Twohig)
Photographer
Dan Twohig
Display Date
1967
Collection
Historic Coast & Geodetic Survey
NOAA Affiliation
NOAA (ret.)