RAIL — NGS AE5247 — Aurora, US

This trigonometric station is part of the NGS network, which provides fundamental geodetic control for the United States. Trig stations serve as reference points for surveying, mapping, and spatial positioning activities across regions and disciplines. Located near Aurora, Colorado at coordinates 39.76635°, -104.83560°, this benchmark lies in the Front Range area of the Colorado Front Range physiographic province, at an ellipsoidal elevation of 1608.4 meters above the reference ellipsoid. Such control points are essential for establishing accurate horizontal and vertical datum references. Regular verification and documentation of these monuments ensures the integrity of cadastral surveys, engineering projects, and geographic information systems throughout their operational lifespan. Surveyors and GIS professionals rely on properly maintained benchmark networks to achieve required accuracy standards and traceability to national geodetic datums.

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