HENRY — NGS KK1628 — Elbert County, US

This triangulation station is part of the National Geodetic Survey's geodetic control network, which establishes the fundamental reference framework for surveying and mapping throughout the United States. Located in Elbert County, Colorado, at coordinates 39.49324° N, 104.51842° W, this trig point serves as a fixed reference for horizontal position control. Triangulation stations of this type were historically established to provide accurate positional data across large regions through intervisible networks. Such monuments remain valuable for verifying modern survey work, validating GPS observations, and maintaining consistency in geodetic databases. Professional surveyors rely on documented benchmark networks to ensure accuracy in land surveys, infrastructure projects, and geospatial applications. Continued documentation and verification of these control points preserves the integrity of the nation's surveying infrastructure and supports the accuracy requirements of contemporary mapping and positioning needs.

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