PUAENA 1875 — NGS TU1523 — Honolulu County, US

This triangulation station is part of the National Geodetic Survey's network of control points that form the foundational infrastructure for surveying, mapping, and civil engineering projects across the United States. Located in Honolulu County, Hawaii, at coordinates 21.60214°N, 158.10611°W, this trig point serves as a reference for establishing horizontal positions with high accuracy in its vicinity. Triangulation stations of this type were historically established to provide surveyors with monumented positions of known geographic location. Such points remain valuable for verifying survey work, conducting geodetic measurements, and serving as checkpoints for modern positioning systems. Proper documentation and periodic verification of benchmark locations ensure the continued utility of these reference points for surveying professionals and land management activities in Hawaii. Maintaining accurate records of the network's physical and coordinate information supports both contemporary and future surveying operations.

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