Y 15 A — NGS DR8034 — Honolulu County, US

This triangulation station is part of the National Geodetic Survey's network of control points that form the foundation of the United States' geodetic infrastructure. Located in Honolulu County, Hawaii, at coordinates 21.69311° N, 157.97789° W, this trig point serves as a reference marker for precise horizontal positioning in the region. Trigonometric stations like this one were established to enable accurate surveying, mapping, and cadastral work across the country. The point's inclusion in the NGS registry ensures that surveyors, engineers, and cartographers can access reliable horizontal control data for local projects. Verification and continued documentation of such benchmarks remain essential for maintaining geodetic accuracy and supporting infrastructure development, land records, and scientific applications throughout the Hawaiian Islands.

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