15 — NGS KK0445 — Denver, US

This triangulation station is part of the National Geodetic Survey's network of control points that form the foundation of the United States' horizontal geodetic reference system. Located near Denver, Colorado, at coordinates 39.72500° N, 104.89444° W, this trig point served traditional surveying operations by providing accurate positional control for mapping and engineering projects across the region. Triangulation stations of this type were established to create a precise framework for subsequent surveys and cadastral work. Their primary function was to support accurate measurement and coordination of land boundaries, infrastructure development, and cartographic documentation. Verification and documentation of such benchmarks remain valuable for surveying professionals, as they provide historical geodetic references and aid in understanding the evolution of positioning networks. Current users may reference these points for validation of modern GPS-derived coordinates and for research into regional surveying history.

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