Tag Archives: NATRF/NAPGD2022


Passive Survey Marks Get a “Stay” under the NSRS

My first order of business is to thank Dr. Dru Smith and the National Geodetic Survey (NGS) for their response to my “Are HARNs on Death Row?” article. When I wrote the piece, my objective was to increase awareness and incite action among the surveying community regarding the perpetuation of historical passive survey marks under...