SOH 49 — NGS DR2111 — Waipahu, US

This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying and mapping throughout the United States. As a trig point, it serves as a precisely positioned reference station used to support surveying operations, boundary determination, and geographic data collection. Located near Waipahu on the island of Oahu, Hawaii, this benchmark contributes to the geodetic control network for the Hawaiian Islands. The station's coordinates have been established through rigorous measurement techniques standard to NGS practice. Verification and documentation of such control points remain essential to maintaining survey accuracy and integrity across the region. Surveyors and mapping professionals rely on these reference stations for establishing local survey networks and validating positional data. Proper maintenance and periodic reobservation of benchmarks like this ensure the continued reliability of Hawaii's spatial reference framework.

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