PARK 7 5 A — NGS DR2257 — Honolulu County, US

This trigonometric station is part of the National Geodetic Survey's network, which establishes and maintains the official geodetic framework for the United States. Trigonometric stations serve as primary control points for surveying operations, providing accurate horizontal positioning data essential for mapping, engineering projects, and spatial reference systems. Located in Honolulu County, Hawaii at coordinates 21.66403°, -157.93594°, this point contributes to the NGS network's coverage across the Hawaiian Islands. Such control points enable surveyors and mapping professionals to establish local surveys with known accuracy and consistency relative to the national datum. Verification and documentation of geodetic benchmarks ensure the integrity of the nation's surveying infrastructure. Maintaining current records of these reference points, including their condition and accessibility, supports ongoing surveying activities and facilitates connection of new surveys to established control networks.

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