WATER — NGS TU1581

This triangulation station is part of the NGS network, which constitutes the primary geodetic framework for the United States. Trig stations of this classification serve as fundamental control points for surveying, mapping, and spatial reference applications across the nation. Located at approximately 21.56°N, 158.24°W in US territory, this point contributes to the established control network necessary for accurate horizontal positioning. Triangulation stations like this one were historically established to provide precisely determined positions that ground survey operations, engineering projects, and geographic information systems. The elevation of this benchmark remains undocumented in available records. Verification and documentation of such points remain valuable for surveying professionals, as they may serve utility in local projects requiring ties to the national geodetic datum. Current coordinates should be verified through official NGS records before operational use.

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