pl23_theb0977.jpg
![Helicopter view of photo panel in Kalgin Island area theb0977.jpg Helicopter view of photo panel in Kalgin Island area](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb0977.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23theb0977jpg-0Description
Helicopter view of photo panel in Kalgin Island area.These panels served to locate control points in aerial photographs
Credit
C&GS; Season's Report Watkins 1965-97
Display Date
1965
Location
Alaska, Prince William Sound
Collection
Historic Coast & Geodetic Survey
Geodesy
Topography-Mapping the Shoreline
Photogrammetry
Keywords
Geodesy
Topography
Photogrammetry