KAUA — NGS TU1635 — Waipahu, US

This triangulation station is part of the National Geodetic Survey's network of reference points that form the foundation of the United States' horizontal geodetic control system. Located near Waipahu on the Island of Oahu, Hawaii, at coordinates 21.44150° N, 158.09870° W, this trig point serves as a reference for surveying, mapping, and engineering projects throughout the region. Triangulation stations of this type were established to provide accurate horizontal position control across the nation. The point's elevation data remains unrecorded in available documentation. Verification and proper documentation of such benchmarks remain valuable for surveying professionals conducting cadastral work, infrastructure development, and scientific investigations requiring geodetic reference data. Maintenance of these network records ensures continuity of positional standards for both historical and contemporary surveying operations.

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