NS 5 — NGS DR2312 — Kapolei, US

This trigonometric station is part of the National Geodetic Survey's network of control points that establish the geometric foundation for surveying and mapping across the United States. Located near Kapolei on the island of Oahu, Hawaii, at coordinates 21.35858°N, 158.05836°W, this trig point serves as a reference marker for horizontal positioning and triangulation work in the region. Trig stations of this type are fundamental to the NGS's mission of maintaining accurate geodetic control. They support professional surveying activities, cartographic projects, and engineering applications requiring precise spatial reference. Verification and documentation of such benchmarks remains essential, as these points anchor the coordinate systems upon which surveying professionals depend. Regular monitoring and recovery of established control points ensures the integrity of Hawaii's surveying infrastructure and facilitates accurate measurement and delineation of property boundaries and public works projects.

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