TIDAL 4 — NGS TU0602

This trigonometric station is part of the National Geodetic Survey's network, which establishes the foundational control for surveying and mapping activities across the United States. Trig stations serve as precisely positioned reference points used to support horizontal control networks and enable accurate surveying operations over broad areas. Located at 21.44139° N, 158.19000° W, this point falls within the Hawaiian archipelago region. As a component of the NGS infrastructure, this benchmark contributes to the nation's geodetic framework, which supports civil engineering projects, land surveys, and geographic information systems. The elevation value for this station has not been recorded in available documentation. For surveyors and geodetic professionals, locating and verifying such control points remains valuable for establishing survey networks and confirming positional accuracy in regional work. Current documentation and field verification of these monuments help maintain the integrity of the national geodetic datum.

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