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![Differential leveling with a Zeiss Digital Bar Code Level geod0530.jpg Differential leveling with a Zeiss Digital Bar Code Level](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_geod0530.jpg?itok=eA3TiAKU)
Description
Differential leveling with a Zeiss Digital Bar Code Level.David B. Crockett making observations and Joyce Turpin recording. (Image credit: Mr. Roy W. Anderson)
Photographer
Mr. Roy W. Anderson
Location
Washington, D. C.
Collection
Geodesy
NOAA Affiliation
NOAA
Keywords
Geodesy