HORN — NGS TU1582

This triangulation station is part of the National Geodetic Survey's network, which establishes the primary control framework for surveying and mapping throughout the United States. Trig stations serve as precisely positioned reference points used to support large-scale surveying operations, including topographic mapping, engineering projects, and boundary determination. Located at coordinates 21.56051°N, 158.23839°W in US territory, this point contributes to geodetic control in its region. As a trig point, it was established to provide accurate horizontal positioning through triangulation methods. Documentation and verification of such benchmarks remain important for surveyors and engineers who depend on stable reference points for accurate work. The coordinates and designation in the NGS registry enable professionals to access this control point for contemporary surveying needs and to maintain the integrity of the national geodetic network.

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