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![Observing in Chinitna Bay area at twilight theb1989.jpg Observing in Chinitna Bay area at twilight](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1989.jpg?itok=Tw0nLYSY)
Description
Observing in Chinitna Bay area at twilight.Party off of PATHFINDER (Image credit: Commander Gerald B. Mills, NOAA Corps (ret.))
Credit
Commander Gerald B. Mills, NOAA Corps (ret.)
Display Date
1970
Location
Alaska, Chinitna Bay, Cook Inlet
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Observing the Angles
Keywords
Geodesy
Triangulation
Turning Angles