6 8 — NGS TU0590 — Waipahu, US

This triangulation station is part of the NGS network that establishes the fundamental geodetic control framework for the United States. Located near Waipahu, Hawaii, at coordinates 21.51884° N, 158.06891° W, this trig point serves as a reference marker for surveying and mapping operations across the Hawaiian Islands region. Triangulation stations of this type historically provided precise horizontal control through intervisible point networks. Their documented positions enable surveyors to conduct accurate boundary surveys, engineering projects, and geographic data collection with confidence in positional accuracy. Verification and maintenance of such control points remain valuable to the surveying profession. Even points with incomplete metadata contribute to understanding historical survey networks. Professionals working in Hawaii should consult current NGS resources to verify this point's accessibility, condition, and suitability for their specific applications.

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