S 16 — NGS TU0493 — Honolulu County, US

This trigonometric station is part of the National Geodetic Survey's network of control points that establish the geometric framework for the United States' surveying and mapping infrastructure. Located in Honolulu County, Hawaii, at coordinates 21.62083° N, 157.91639° W, this trig point serves as a reference station for horizontal positioning and triangulation work in the Hawaiian Islands region. As a trig station, this benchmark was established to provide surveyors and mapmakers with an accurately positioned point for conducting detailed surveys and establishing local control networks. The NGS maintains this point as part of the national geodetic datum, enabling consistent coordinate references across diverse surveying projects. Documentation and verification of such control points remain essential for ensuring the accuracy and reliability of all subsequent survey work, mapping initiatives, and geographic information systems throughout the state.

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