6 2 — NGS TU0529 — Honolulu County, US

This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the fundamental horizontal control framework for the United States. Trigonometric stations like this point serve as reference marks for precise surveying, mapping, and engineering projects across their service areas. Located in Honolulu County, Hawaii, this benchmark contributes to regional geodetic control in the Hawaiian archipelago. The coordinates 21.61147°, -158.09258° identify its position within the national spatial reference system. Verification and documentation of such control points remain essential for surveyors, engineers, and cartographers who depend on accurate positional references. Regular inspection and recovery of these monuments helps maintain the integrity of the surveying network and supports infrastructure development, property boundary determination, and scientific research throughout Hawaii and the broader United States.

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