DR D — NGS DH9130 — Denver, US

This triangulation station is part of the NGS network, which forms the foundation of the United States' geodetic infrastructure. Located near Denver, Colorado at coordinates 39.82765°, -104.78215°, this trig point serves as a control reference for surveying and mapping operations across the region. Triangulation stations of this type are established to provide accurate horizontal control through a network of precisely positioned points. Such benchmarks enable surveyors, engineers, and cartographers to reference their local measurements against a consistent national framework. The point's proximity to the Denver metropolitan area makes it valuable for urban and regional surveying projects. Documentation and verification of existing geodetic control points remain important for maintaining survey accuracy and continuity. Regular inspection of such monuments helps ensure their continued utility for current and future surveying work.

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