KUNIA — NGS TU1630 — Waipahu, US

This triangulation station is part of the National Geodetic Survey network, which establishes the authoritative geodetic framework for the United States. Trig stations serve as primary control points for surveying and mapping operations, providing accurate horizontal positions referenced to the national datum. Located near Waipahu on the island of Oahu, Hawaii, this point contributes to the survey control network essential for land surveying, engineering projects, and cartographic work across the Hawaiian Islands. The coordinates 21.44455°N, 158.05996°W position this station within the densely developed central Oahu region. Verification and documentation of existing NGS benchmarks remain valuable for surveying professionals requiring reliable control points. Such monumentation supports construction, cadastral surveys, and infrastructure development. Surveyors should verify the current condition and accessibility of this station before planning field operations.

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