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![Electro-chain observations theb1689.jpg Electro-chain observations](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1689.jpg?itok=-BydSdrG)
Description
Electro-chain observations.Off of PATHFINDER (Image credit: Commander Gerald B. Mills, NOAA Corps (ret.))
Credit
Commander Gerald B. Mills, NOAA Corps (ret.)
Display Date
Jun-70
Location
Tuxedni Bay, Cook Inlet, Alaska
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Baseline & Treverse Measurements
Keywords
Geodesy
Triangulation
Baseline
Electronic