PUU O HULU SOUTH — NGS TU1707 — Kapolei, US

This trigonometric station is part of the National Geodetic Survey's network, which establishes and maintains the fundamental geodetic control framework for the United States. Trigonometric stations serve as precise horizontal control points, enabling accurate surveying, mapping, and engineering projects across the country. Located near Kapolei on the island of Oahu, Hawaii, this benchmark contributes to regional geodetic infrastructure in the Hawaiian Islands. The coordinates 21.40082°, -158.16985° define its position within the national reference system. Documentation and verification of such control points remain essential for surveyors, engineers, and cartographers requiring reliable spatial references for professional work. Maintaining current records of existing benchmarks helps prevent duplication of effort and ensures consistency in surveying operations throughout the state.

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