SOH 55 — NGS DR2118 — Waipahu, US

This triangulation station is part of the NGS network, which forms the foundation of the United States' geodetic infrastructure. Trig points serve as precise horizontal control monuments used to establish accurate positions for mapping, surveying, and engineering projects across the country. Located near Waipahu on the island of Oahu, Hawaii, at coordinates 21.50586°N, 158.03331°W, this benchmark contributes to the regional survey framework for the Hawaiian Islands. The point's documented position enables surveyors and geospatial professionals to reference their local measurements to the national geodetic datum. Verification and maintenance of such control points remain essential for ensuring the integrity of surveying networks. Professionals undertaking projects in this area may utilize this station as a reference for establishing local survey control, making accurate documentation of these monuments valuable for long-term geodetic applications.

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