DR A — NGS DH9128 — Denver, US

This trigonometric station is part of the National Geodetic Survey's network, which establishes the horizontal and vertical control framework for the United States. Trig stations serve as precisely positioned reference points for surveying, mapping, and engineering projects across regions and states. Located near Denver, Colorado, at coordinates 39.78417°N, 104.79058°W, this benchmark contributes to the geodetic infrastructure supporting both public works and private surveying operations in the Rocky Mountain Front region. As a control point within the NGS network, it provides surveyors and engineers with reliable coordinates for establishing local surveys and verifying existing monumentation. The preservation and documentation of such reference stations remains essential for maintaining survey accuracy and consistency across generations of development. Verification of benchmark integrity and accessibility ensures continued utility for the surveying profession.

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