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https://www.noaa.gov/media/digital-library-photo/pl23cgs05026jpgDescription
Field observations of angles showing different plate settings of theodolite. (Image credit: NARA C&GS; Colllection)
Credit
NARA C&GS; Colllection
Display Date
1837 ca.
Location
New York, Long Island
Collection
Historic Coast & Geodetic Survey
Historic Maps
General
Keywords
Coast and Geodetic Survey
Archive