Reference Marker

Posted: October 21, 2009 18:02:47 • By Natasha L.View Description
Reference Marker

A US Coast and Geodetic Survey reference marker of some sort, cool! These are/were used as official points of reference for surveying operations now conducted by the NGS (National Geodetic Survey, a department of NOAA), in order to make surveying and mapping efforts more accurate. More information about these markers can be found here: https://geodesy.noaa.gov/

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