V 13 — NGS TU0634 — Waipahu, US

This triangulation station is part of the National Geodetic Survey's trig network, which establishes horizontal control points across the United States and its territories. Located near Waipahu on the island of Oahu, Hawaii, at coordinates 21.34778°N, 158.02694°W, this benchmark serves as a fundamental reference for surveying and mapping activities throughout the Hawaiian Islands region. Triangulation stations of this type provide precise horizontal positioning data essential for cadastral surveys, engineering projects, and geographic information systems. The point's integration into the NGS network ensures consistency with the National Spatial Reference System, supporting both public and private surveying operations. Verification and proper documentation of such control points remain critical for maintaining the accuracy of surveying networks and supporting continued geodetic work in Hawaii. Records of these marks facilitate quality assurance in professional surveying practice.

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