ANCHOR — NGS TU1482 — Honolulu County, US

This triangulation (trig) station is part of the National Geodetic Survey's extensive network of control points establishing the horizontal geodetic framework across the United States. Located in Honolulu County, Hawaii, near coordinates 21.70075°, -157.95942°, this benchmark serves as a reference point for surveying, mapping, and engineering projects throughout the region. Trig stations of this classification were historically established to provide accurate horizontal positions for subsequent surveys and cadastral work. The point's inclusion in the NGS network ensures its documentation and availability to surveying professionals conducting boundary determinations, construction layout, and geographic information system development. Verification and maintenance of such control points remain essential to geodetic infrastructure. As surveying technologies evolve, documented benchmarks like this provide continuity with established surveys and enable validation of modern positioning methods. Professionals working in Hawaii's surveying and engineering sectors benefit from access to these foundational reference points.

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