B 452 — NGS DJ8153 — Denver, US

This is a triangulation (trig) station within the National Geodetic Survey network, a foundational component of the United States' geodetic infrastructure. Located near Denver, Colorado, at coordinates 39.77667° N, 104.88750° W, this point serves as a control station for horizontal positioning and survey work across the region. Trig stations of this type historically supported large-scale mapping projects and continue to provide reference points for modern surveying activities, including property boundary establishment and infrastructure development. The NGS network remains essential for maintaining consistent geodetic datums throughout the country. Verification and documentation of such control points are critical for surveying professionals, as these stations anchor local surveys to the national reference framework. Accurate recovery and reobservation of benchmark locations ensure the integrity of spatial data used in engineering, construction, and land administration projects.

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