SOH 45 — NGS DR2107 — Waipahu, US

This triangulation station is part of the National Geodetic Survey's horizontal control network, which establishes the foundational reference framework for surveying and mapping throughout the United States. Located in the Waipahu area of Oahu, Hawaii, this trig point serves as a permanent monument for precise geodetic positioning. Triangulation stations of this type form essential nodes in the NGS network, enabling surveyors, engineers, and cartographers to conduct accurate measurements for land surveys, infrastructure development, and geographic documentation. The point's published coordinates at 21.41947°N, 158.04911°W provide a stable reference for local and regional surveying activities. Verification and maintenance of such benchmarks remain critical to preserving the integrity of Hawaii's geodetic infrastructure. Surveyors conducting work in this region should locate and document this point's current condition to ensure continued reliability as a reference standard for precision measurement applications.

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