O REILLY 2 — NGS TU1516 — Honolulu County, US

This triangulation station is part of the National Geodetic Survey's primary network, which establishes the fundamental control framework for surveying and mapping throughout the United States. Located in Honolulu County, Hawaii at coordinates 21.55841°N, 158.06659°W, this trig point served as a reference station for geodetic observations and survey work in the Hawaiian Islands region. Triangulation stations of this type were established to provide accurate positional control for local surveys, mapping projects, and engineering work. The point's documented coordinates enable surveyors and engineers to reference their work to the national geodetic datum, ensuring consistency and compatibility across multiple projects. Verification and documentation of such benchmark locations remains valuable for maintaining the integrity of Hawaii's surveying infrastructure and supporting future geodetic activities in the region.

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