LIEA 3 — NGS TU0494 — Honolulu County, US

This trigonometric station is part of the NGS (National Geodetic Survey) network, which establishes and maintains the primary geodetic control framework for the United States. Trigonometric stations serve as horizontal control points, providing precise positioning references for surveying, mapping, and engineering projects across regions. Located in Honolulu County, Hawaii, this benchmark contributes to the geodetic infrastructure of the Hawaiian Islands. The station is referenced at coordinates 21.63019° N, 157.92124° W. As a trig point, it supports local surveys and provides reliable positional data for both government and private surveying activities. Verification and documentation of such control points are essential for maintaining the accuracy and integrity of the national geodetic network. Regular inspection and monumentation records ensure these references remain available for future surveying operations and help establish consistency across multiple projects in the region.

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