SOH 95 — NGS DR2167 — Waipahu, US

This triangulation station is part of the National Geodetic Survey's network, which establishes the primary horizontal and vertical control framework for the United States. As a trig point, this station served as a fixed reference for surveying operations, enabling precise measurements across Hawaii. Located near Waipahu on the island of Oahu, the point is situated within a densely surveyed region critical for mapping, engineering projects, and property boundary determination. The coordinates 21.51786°N, 158.05842°W place the station in an area of significant development and infrastructure. Trig stations of this type provided essential control points for surveyors conducting cadastral, topographic, and engineering surveys throughout the twentieth century. Documentation and verification of such benchmarks remain valuable for confirming historical survey work, validating modern positioning systems, and maintaining continuity in geodetic references across generations of surveying practice.

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