T 13 — NGS TU0637 — Waipahu, US

This is a triangulation station within the NGS network, the primary geodetic control system for the United States. Trig stations serve as monumented reference points for establishing horizontal position control through triangulation methods. Located in the Waipahu area of Oahu, Hawaii, this benchmark provides critical positional data for surveying, mapping, and engineering projects across the island. The station's coordinates (21.37127°N, 158.03223°W) integrate into the broader network of control points spanning the nation. Verification and documentation of such monuments are essential for maintaining the integrity of surveying frameworks, supporting cadastral surveys, infrastructure development, and scientific research requiring precise geographic reference. While elevation data for this particular point is not currently recorded in available documentation, its horizontal control value remains integral to Hawaiian geodetic infrastructure. Regular inspection and confirmation of benchmark stability ensure continued utility for professional surveying applications.

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