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![Recorder attempting to find error in readings theb1571.jpg Recorder attempting to find error in readings](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1571.jpg?itok=i-kxTJXU)
Description
Recorder attempting to find error in readings.International Boundary Survey (Image credit: In The Boundary Hunters)
Credit
In The Boundary Hunters
Location
Alaska - Canada Boundary
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Observing the Angles
Keywords
Geodesy
Triangulation
Angles