SOH 29A — NGS DR2086 — Kapolei, US

This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the fundamental geodetic control for the United States. Trig points serve as precisely positioned reference stations used to support mapping, surveying, and engineering projects across their respective regions. Located in the Kapolei area of Hawaii, this station provides essential horizontal control for the Hawaiian Islands. The coordinates 21.31953°N, 158.01483°W define its position within the National Spatial Reference System. Verification and documentation of such control points remain critical for ensuring accuracy in surveying work, establishing property boundaries, and supporting infrastructure development. Surveyors and geospatial professionals rely upon these monumented reference stations to maintain consistency and precision in local and regional projects. Proper stewardship of these marks ensures their continued utility for future generations of surveying practice.

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