STATE SURVEY 9 5 1969 — NGS TU1666 — Kapolei, US

This NGS triangulation station is located in the Kapolei area of Hawaii at coordinates 21.34192°N, 158.07742°W. As a trig point within the National Geodetic Survey network, this monument serves as a fundamental control point for Hawaii's surveying and mapping infrastructure. Trig stations establish horizontal positions with high accuracy and serve as reference points for subsequent surveys, engineering projects, and geographic information systems throughout the region. The NGS network integrates these control points into the National Spatial Reference System, providing consistent geometric framework essential for property surveys, infrastructure development, and scientific research across the United States and its territories. Documentation and periodic verification of such benchmarks ensure reliability and utility for professional surveyors and mapping professionals. The elevation value for this particular station remains unrecorded in available registry data, though the horizontal position is well-established.

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