Short description:
Geodetic Control Points, 20151203 - Shows geodetic control stations maintained by the National Oceanic and Atmospheric Administration (NOAA), National Geodetic Survey. Each geodetic control station has either a precise latitude and longitude used for horizontal control or a precise height used for vertical control (units are meters above the geoid), or both.

IndianaMap, IGS, Indiana, benchmark, geodesy, location

National Oceanic and Atmospheric Administration, National Geodetic Survey
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