SOH 39 — NGS DR2101 — Kapolei, US

This triangulation station is part of the National Geodetic Survey's network supporting horizontal control infrastructure across the United States. Located near Kapolei on the island of Oahu, Hawaii, the point serves as a reference for surveying and mapping activities in the region. Triangulation stations of this type have historically provided precise horizontal positions essential for large-scale surveys, engineering projects, and the establishment of local control networks. The coordinates 21.33536°N, 158.04639°W place this mark within Hawaii's geodetic framework. Documentation and verification of such benchmarks remain valuable for surveyors undertaking projects requiring ties to the national datum, particularly in areas where modern positioning methods may be cross-referenced with established classical control. Maintaining records of these reference points supports continuity in surveying practice and cartographic accuracy.

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