SOH 80 — NGS DR2151 — Honolulu County, US

This triangulation station is part of the National Geodetic Survey's network of control points establishing the horizontal geodetic datum across the United States. Located in Honolulu County, Hawaii, at coordinates 21.57186° North, 158.09589° West, this trig point serves as a reference for surveying and mapping operations throughout the region. Triangulation stations of this type were historically established to provide precise positional control for subsequent surveys and engineering projects. The point's inclusion in the NGS registry ensures that surveyors, cartographers, and infrastructure planners have access to documented reference coordinates for their work. Verification and maintenance of such benchmark locations remain important for quality assurance in surveying practice and for validating modern positioning technologies against established geodetic control.

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