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![Using vertical collimator to center equipment at top of left-most pole oversurvey mark geod1180.jpg Using vertical collimator to center equipment at top of left-most pole oversurvey mark](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_geod1180.jpg?itok=nj-c2DL2)
Description
Using vertical collimator to center equipment at top of left-most pole oversurvey mark. (Image credit: Commander George Leigh)
Photographer
Commander George Leigh
Collection
Geodesy
NOAA Affiliation
NOAA Corps (ret.)