RS 50:173.1: Geodetic control standards

Controls for all surveys shall be determined in the National Spatial Reference System or its successors. All measurements shall be referenced to local control stations of the National Spatial Reference System or its successors, specifically the public domain Louisiana State University Continuously Operating Reference Stations network or other reference stations currently approved by the National Oceanographic and Atmospheric Administration National Geodetic Survey, such as benchmarks, monuments, or continually operating reference stations.