T 3 RESET — NGS TU0640 — Waipahu, US

This triangulation station is part of the NGS network, which establishes and maintains the foundational geodetic control infrastructure for the United States. Located near Waipahu on the island of Oahu, Hawaii, this trig point serves as a reference station for surveying and mapping activities across the region. Triangulation stations of this type were historically used to create networks of precisely positioned points, enabling surveyors to conduct accurate land surveys, establish property boundaries, and support infrastructure development. The station's coordinates are recorded at 21.37972° North latitude and 158.01444° West longitude. Modern surveyors and GIS professionals continue to utilize such established control points for verification of survey work, coordinate system reference, and quality assurance. Documentation and verification of these geodetic monuments remain valuable for maintaining the integrity of spatial data infrastructure and supporting ongoing surveying operations.

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