PT 223+58.26 — NGS TU1726 — Kapolei, US

This is a triangulation station within the National Geodetic Survey's network, which forms the foundation of the United States' official geodetic infrastructure. Triangulation stations serve as monumented reference points used to establish precise horizontal control for surveying, mapping, and engineering projects across the country. Located in the Kapolei area of Hawaii, this benchmark provides essential positional data for the Hawaiian islands region. The coordinates 21.39792°, -158.16762° define its location on the North American Datum. Documentation and verification of such control points remain critical for surveyors, engineers, and planners conducting work in Hawaii. Periodic inspection and re-observation of triangulation stations ensures the integrity of the geodetic network and maintains confidence in positional data used for infrastructure development, land surveys, and scientific research across the state.

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