E 15 — NGS TU0593 — Honolulu County, US

This triangulation station is part of the NGS network, which maintains the primary geodetic framework for the United States. Located in Honolulu County, Hawaii at coordinates 21.54333°, -158.09639°, this trig point serves as a reference monument for horizontal control surveys across the Hawaiian islands region. Trig stations like this mark precise horizontal positions and enable surveyors, cartographers, and engineers to establish accurate local coordinate systems for mapping, construction, and land management projects. The NGS network integrates observations from classical triangulation methods alongside modern positioning techniques. Verification and documentation of such benchmarks remain essential for maintaining the integrity of the national geodetic datum. Surveyors consulting this registry can confirm positional accuracy and assess the point's suitability for contemporary surveying applications. Current condition and accessibility information should be verified through direct field inspection prior to any survey work.

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