SOH 96 — NGS DR2168 — Waipahu, US

NGS Triangulation Station, located near Waipahu on the island of Oahu, Hawaii, serves as a control point within the National Geodetic Survey's horizontal reference network. Triangulation (trig) stations of this type were established to provide precise horizontal coordinate reference values essential for surveying, mapping, and engineering projects across the United States and its territories. This station at coordinates 21.52117°N, 158.07150°W contributes to Hawaii's geodetic infrastructure, supporting cadastral surveys, infrastructure development, and scientific applications requiring accurate positional data. Triangulation stations form the foundational control network upon which subsequent local and regional surveys depend. Verification and documentation of such benchmarks remain important for surveying professionals, as these reference points anchor spatial data systems and ensure consistency in survey work. The preservation and accessibility of these coordinates through the NGS registry facilitates continued accurate surveying operations throughout Hawaii.

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