RUBY — NGS AE5252 — Denver, US

This trigonometric station is part of the National Geodetic Survey's network, which comprises fundamental control points establishing the horizontal and vertical datum for the United States. Trigonometric stations serve as precise reference markers for surveying, mapping, and engineering projects across the nation. Located near Denver, Colorado, at coordinates 39.68358° N, 105.00740° W with an ellipsoidal elevation of 1626.8 meters, this benchmark provides essential positional control for regional and local surveys. The maintenance and verification of such points remain critical to ensuring accuracy in cadastral surveys, infrastructure development, and geospatial data collection. Documentation of these stations in accessible registries supports continuity in surveying practice and facilitates efficient field operations for professional surveyors and government agencies.

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