Tag: National Control Monument Network

Geospatial Community Answers Call to Update Benchmarks

By Dick Kleinmann, PLS, and Mick Heberlein, PLS, PS, CFedS The National Geodetic Survey (NGS) rolled out a program in late 2020 asking surveyors to make GPS observations on existing benchmark monuments nationwide. The intent is to improve the vertical data model and tools that will facilitate transition to new 2022 datums. The effort will… Read More »