6 5 — NGS TU1518 — Honolulu County, US

This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the fundamental control framework for surveying and mapping throughout the United States. Located in Honolulu County, Hawaii, this trig point serves as a reference station for geodetic work in the Hawaiian Islands region. Triangulation stations of this type are positioned to provide accurate horizontal control for surveys, mapping projects, and engineering applications across their service areas. The coordinates 21.56112°, -158.06868° establish this point's position within the national spatial reference system. Verification and proper documentation of such control points remain essential for surveyors and mapping professionals who rely on accurate reference monuments. The continued maintenance and recovery of these stations supports the integrity of surveying activities and geographic information systems throughout the region.

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