SOH 50 — NGS DR2112 — Waipahu, US

This triangulation station is part of the NGS network, which establishes the fundamental geodetic control for the United States. Trigonometric stations like this serve as reference points for surveys, mapping, and spatial data collection throughout their region. Located near Waipahu on the island of Oahu, Hawaii, this benchmark provides critical positional data for the Hawaiian archipelago's surveying infrastructure. The station's coordinates, 21.46567° N, 158.05494° W, are established to support cadastral surveys, engineering projects, and geographic information systems. Verification and proper documentation of such control points remain essential for maintaining the accuracy and integrity of surveying work. Professional surveyors rely on NGS benchmarks to ensure consistency in local and regional measurements. Regular inspection and confirmation of these monuments contribute to the long-term reliability of Hawaii's spatial reference framework.

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