PUU KAILIO 5000 1969 — NGS TU1687 — Kapolei, US

This triangulation station is part of the National Geodetic Survey network that forms the foundation of the United States' horizontal control infrastructure. Trig stations of this classification serve as precise reference points for surveying and mapping activities across the nation. Located near Kapolei on the island of Oahu, Hawaii, this benchmark provides geodetic control for the Hawaiian archipelago region. The station's coordinates in the NAD83 datum enable surveyors, engineers, and cartographers to conduct accurate local surveys and establish derived control points. Documentation and periodic verification of such monuments is essential for maintaining the integrity of the national spatial reference system. This point contributes to applications ranging from land surveying to infrastructure development across Hawaii. Professionals conducting fieldwork in this area may utilize this station as a reference for positioning and coordinate verification activities.

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