SOH 82 — NGS DR2153 — Honolulu County, US

This triangulation (trig) station is part of the National Geodetic Survey network, which provides the foundational horizontal and vertical control for surveying, mapping, and engineering projects throughout the United States. Located in Honolulu County, Hawaii at coordinates 21.56519°N, 158.07789°W, this point serves as a reference marker for establishing accurate positions of other survey monuments and geographic features. Trig stations like this one were historically established to support cadastral surveys, infrastructure development, and cartographic efforts. The NGS network remains essential for modern applications including GPS validation, land boundary determination, and geospatial analysis. Documentation and periodic verification of such control points ensures the integrity of surveying activities and maintain the accuracy standards required for professional practice in Hawaii and adjacent areas.

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