STATE SURVEY 8 7C — NGS TU1730 — Kapolei, US

This triangulation station is part of the NGS network, the United States' primary system for geodetic control and horizontal positioning. Located near Kapolei on the island of Oahu, Hawaii, this trig point serves as a reference monument for surveying and mapping activities across the region. Triangulation stations of this classification historically provided essential framework for establishing accurate ground coordinates before the advent of satellite-based positioning. The point's documented location at 21.40192°N, 158.17673°W contributes to the broader geodetic datum maintained by the National Geodetic Survey. Verification and documentation of such reference points remain valuable for surveying professionals conducting boundary surveys, engineering projects, and cartographic work. Maintaining records of established benchmarks supports continuity in spatial data accuracy and enables researchers to assess crustal deformation in tectonically active regions such as Hawaii.

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