SOH 56 — NGS DR2119 — Waipahu, US

This triangulation station is part of the National Geodetic Survey's network, which establishes the foundational control points for surveying and mapping throughout the United States and its territories. Trig stations serve as precisely positioned reference points used to support detailed surveys, engineering projects, and spatial data collection across large areas. Located near Waipahu on the island of Oahu, Hawaii, this point contributes to the geodetic framework for the Hawaiian archipelago. The coordinates 21.47981°, -158.02672° define its horizontal position within the NGS database. Verification and documentation of such benchmarks remain valuable for surveyors, cartographers, and infrastructure developers who rely on accurate control networks. Maintaining these reference points ensures consistency in surveying work and supports the integrity of mapping data across the region.

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